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table tr:nth-child(even) {\n background-color: #f9f9f9\n }\n\n input::-webkit-inner-spin-button {\n -webkit-appearance: none\n }\n\n input[type=number] {\n -moz-appearance: textfield\n }\n\n img {\n width: auto;\n height: auto\n }\n\n .img-res img {\n width: auto;\n height: auto !important;\n max-width: 100% !important\n }\n\n .sub_item_img {\n width: 80px;\n height: 80px;\n overflow: hidden;\n display: inline-block;\n vertical-align: middle\n }\n\n .breadcrumb_nav_img {\n height: 300px\n }\n\n .breadcrumb_nav_box .fa.fa-home {\n color: #666\n }\n\n .breadcrumb_nav_box a {\n color: var(--main-theme-color);\n text-decoration: none;\n font-weight: 600\n }\n\n .breadcrumb_nav_box .breadcrumb_nav_position {\n text-transform: none\n }\n\n .breadcrumb_nav_box span {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_wrap {\n padding: 13px 0;\n background-color: #ececec\n }\n\n .breadcrumb_nav_list {\n margin: 0;\n padding: 0;\n display: flex;\n flex-wrap: wrap\n }\n\n .breadcrumb_nav_list li {\n margin: 0;\n padding: 0;\n list-style: none;\n margin-right: 10px\n }\n\n .breadcrumb_nav_list li a {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_list li a:hover {\n color: var(--main-theme-color)\n }\n\n .breadcrumb_nav_list li i {\n margin-right: 4px\n }\n\n .breadcrumb_h1_box {\n background-color: #e5e5e5;\n text-align: center;\n height: 100%;\n width: 100%\n }\n\n .breadcrumb_h1_box h1 {\n font-size: 36px;\n font-family: Arial;\n font-weight: 700;\n color: #fff;\n width: 100%\n }\n\n .language-select .dropdown-menu {\n min-width: 170px;\n height: 600px;\n overflow: auto\n }\n\n .language-select i {\n vertical-align: middle\n }\n\n .has_box .sub_box .sub_item span {\n display: inline-block;\n max-width: 60%;\n vertical-align: middle\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 290px\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 330px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=ru] .sub_item_img {\n width: 78px;\n height: 78px\n }\n\n [lang=ru] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 13px\n }\n\n [lang=cs] .sub_item_img {\n width: 76px;\n height: 76px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a,\n [lang=cs] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 260px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=lt] .main-nav nav .navbar-nav>.nav-item,\n [lang=vi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 12px;\n margin-right: 12px\n }\n\n [dir=rtl] .topbar ul {\n text-align: right\n }\n\n [dir=rtl] .top-contact-area ul li i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .language-select i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .main-nav nav .navbar-nav {\n margin-left: 0;\n margin-right: auto\n }\n\n [dir=rtl] .searchbox {\n padding: 18px 16px 18px 0\n }\n\n [lang=ko] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 310px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=hu] .main-nav nav .navbar-nav>.nav-item,\n [lang=iw] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 20px;\n margin-right: 20px\n }\n\n [lang=el] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 10px;\n margin-right: 10px\n }\n\n [lang=fi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 16px;\n margin-right: 16px\n }\n\n [lang=fi] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 15px\n }\n\n [lang=pl] .features .welcome_desc p {\n font-size: 24px\n }\n\n @media only screen and (max-width:1199px) {\n .topbar {\n border-bottom: none\n }\n }\n\n @media only screen and (max-width:767px) {\n .language-select .dropdown-menu {\n left: 0;\n right: auto;\n height: 70vh\n }\n\n .newsletter-content .default-section-heading h3 {\n font-size: 28px;\n line-height: 32px;\n padding-bottom: 18px\n }\n }\n <\/style>\n<script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-5WHCGWBZF2\"><\/script><script defer>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"G-5WHCGWBZF2\"), gtag(\"config\", \"AW-10818223058\")\n <\/script><script defer>\n function gtag_report_conversion_1(n) {\n return gtag(\"event\", \"conversion\", {\n send_to: \"AW-10818223058\/VD_JCK_UqIcDENL3w6Yo\",\n event_callback: function() {\n void 0 !== n && (window.location = n)\n }\n }), !1\n }\n <\/script>\n<\/head>\n<body>\n <div class=\"topbar inside_pages_site\">\n <div class=\"w1200\">\n <div class=\"topbar-content\">\n 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class=\"flag-icon flag-icon-es\"><\/i> Espa\u00f1ol <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/fr.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-fr\"><\/i> Fran\u00e7ais <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/de.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-de\"><\/i> Deutsch <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/pt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-pt\"><\/i> Portugu\u00eas <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ru.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ru\"><\/i> P\u0443\u0441\u0441\u043a\u0438\u0439 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/nl.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-nl\"><\/i> Nederlands <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" 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(s = \"bahasa Indonesia\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-id\"))) : \/^(pl\\.)\/.test(t) && (s = \"Polskie\", e && (e.removeAttribute(\"class\"), e.setAttribute(\"class\", \"flag-icon flag-icon-pl\"))), a && (a.innerHTML = s)\n }()\n <\/script><style>\n [lang=da] .blog-nav-pills a,\n [lang=de] .blog-nav-pills a,\n [lang=mt] .blog-nav-pills a,\n [lang=ru] .blog-nav-pills a,\n [lang=vi] .blog-nav-pills a {\n width: auto;\n padding: 0 20px\n }\n <\/style>\n<div class=\"blog blog-bg pt-80 pb-70\">\n <div class=\"w1200\">\n <div class=\"blog-section\">\n <ul class=\"blog-nav-pills wow fadeInUp\">\n<li class=\"nav-item\"> <a href=\"https:\/\/hi.covna-china.com\/articles\/company-news.html\">\u0915\u0902\u092a\u0928\u0940 \u0938\u092e\u093e\u091a\u093e\u0930<\/a> <\/li>\n <li class=\"nav-item\"> <a href=\"https:\/\/hi.covna-china.com\/articles\/industry-news.html\">\u0909\u0926\u094d\u092f\u094b\u0917 \u0938\u092e\u093e\u091a\u093e\u0930<\/a> <\/li>\n <li class=\"nav-item\"> <a href=\"https:\/\/hi.covna-china.com\/articles\/valves-study.html\">\u0935\u093e\u0932\u094d\u0935 \u0905\u0927\u094d\u092f\u092f\u0928<\/a> <\/li>\n <\/ul>\n<div class=\"row\">\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902\"> <img class=\"lazy\" alt=\"\u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>24 \u0905\u0915\u094d\u091f\u0942\u092c\u0930, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/features-of-knife-gate-valve.html\" title=\"\u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902\">\u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902<\/a> <\/h4>\n <p>\u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935, \u091a\u093e\u0915\u0942 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935, \u0918\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u092e\u093f\u091f\u094d\u091f\u0940 \u0935\u093e\u0932\u094d\u0935 \u092d\u0940 \u0915\u0939\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u0916\u0941\u0932\u0928\u0947 \u0914\u0930 \u092c\u0902\u0926 \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0947 \u0939\u093f\u0938\u094d\u0938\u0947 \u0917\u0947\u091f \u092a\u094d\u0932\u0947\u091f \u0939\u0948\u0902\u0964 \u0917\u0947\u091f \u092a\u094d\u0932\u0947\u091f \u0915\u0940 \u0917\u0924\u093f \u0926\u093f\u0936\u093e \u0924\u0930\u0932 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u0926\u093f\u0936\u093e \u0915\u0947 \u0932\u0902\u092c\u0935\u0924 \u0939\u0948\u0964 \u092e\u093e\u0927\u094d\u092f\u092e \u0915\u094b \u091a\u093e\u0915\u0942 \u0915\u0947 \u0915\u093f\u0928\u093e\u0930\u0947 \u0915\u0947 \u0917\u0947\u091f \u0926\u094d\u0935\u093e\u0930\u093e \u0915\u093e\u091f \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u092b\u093e\u0907\u092c\u0930 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u094b \u0915\u093e\u091f \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u0917\u0947\u091f \u092a\u094d\u0932\u0947\u091f \u092e\u0947\u0902 \u0926\u094b \u0938\u0940\u0932\u093f\u0902\u0917 \u0938\u0924\u0939\u0947\u0902 \u0939\u0948\u0902\u0964 \u0938\u092c\u0938\u0947 \u0905\u0927\u093f\u0915 \u0907\u0938\u094d\u0924\u0947\u092e\u093e\u0932 \u0915\u093f\u090f \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092e\u094b\u0921 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0926\u094b \u0938\u0940\u0932\u093f\u0902\u0917 \u0938\u0924\u0939\u0947\u0902 \u0921\u092c\u094d\u0932\u094d\u092f\u0942 \u092c\u0928\u093e\u0924\u0940 \u0939\u0948\u0902<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/features-of-knife-gate-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u094d\u092f\u093e \u0939\u0948?\"> <img class=\"lazy\" alt=\"\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u094d\u092f\u093e \u0939\u0948?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>24 \u0905\u0915\u094d\u091f\u0942\u092c\u0930, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u094d\u092f\u093e \u0939\u0948?\">\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u094d\u092f\u093e \u0939\u0948?<\/a> <\/h4>\n <p>\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u090f\u0915 \u0917\u093e\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0932\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0938\u0902\u091a\u093e\u0932\u093f\u0924 \u0935\u093e\u0932\u094d\u0935 \u0939\u0948\u0964 \u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0905\u0915\u094d\u0938\u0930 \u092a\u093e\u0928\u0940 \u0915\u0940 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0914\u0930 \u091c\u0932 \u0928\u093f\u0915\u093e\u0938\u0940 \u0914\u0930 \u0914\u0926\u094d\u092f\u094b\u0917\u093f\u0915 \u092a\u094d\u0930\u0923\u093e\u0932\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u091f\u0940\u0915 \u0914\u0930 \u0924\u0947\u091c\u093c \u0939\u0948, \u0914\u0930 \u0930\u093f\u092e\u094b\u091f \u0911\u092a\u0930\u0947\u0936\u0928 \u0915\u093e \u090f\u0939\u0938\u093e\u0938 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u094b \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0938\u0902\u0915\u0947\u0924\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0926\u0942\u0930\u0938\u094d\u0925 \u0930\u0942\u092a \u0938\u0947 \u0916\u094b\u0932\u093e \u0914\u0930 \u092c\u0902\u0926 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092c\u0921\u093c\u0947 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0911\u092a\u0930\u0947\u091f\u0940 \u0915\u0947 \u0932\u093f\u090f \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0924\u093f\u0924\u0932\u0940 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u092c\u0926\u0932 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/what-is-electric-control-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930\"> <img class=\"lazy\" alt=\"\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>24 \u0905\u0915\u094d\u091f\u0942\u092c\u0930, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930\">\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930<\/a> <\/h4>\n <p>\u090f\u0915 \u0935\u093e\u092f\u0935\u0940\u092f \u0935\u093e\u0932\u094d\u0935 \u0938\u0902\u092a\u0940\u0921\u093c\u093f\u0924 \u0939\u0935\u093e \u0926\u094d\u0935\u093e\u0930\u093e \u0938\u0902\u091a\u093e\u0932\u093f\u0924 \u090f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0939\u0948\u0964 \u0935\u093e\u092f\u0935\u0940\u092f \u0935\u093e\u0932\u094d\u0935 \u0916\u0930\u0940\u0926\u0924\u0947 \u0938\u092e\u092f, \u0915\u094d\u0930\u092f \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0947\u0935\u0932 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902, \u092a\u094d\u0930\u0915\u093e\u0930\u094b\u0902 \u0914\u0930 \u0915\u093e\u092e \u0915\u0947 \u0926\u092c\u093e\u0935\u094b\u0902 \u0915\u094b \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0928\u093e \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\u0964 \u092c\u0939\u0928\u093e\u0964 \u0935\u093e\u092f\u0935\u0940\u092f \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930 \u0938\u093f\u0917\u094d\u0928\u0932 \u0938\u094d\u0930\u094b\u0924 \u092e\u0947\u0902 \u0905\u0902\u0924\u0930 \u0939\u0948\u0964 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0917\u0902\u092d\u0940\u0930 \u092c\u0926\u0932\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093e\u0932\u094d\u0935 \u0915\u094b\u0930 \u0915\u094b \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u093e\u092f\u0932\u091f \u0917\u0948\u0938 \u0915\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092c\u093f\u091c\u0932\u0940 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?\"> <img class=\"lazy\" alt=\"\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1637133592_Manual-valve.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>24 \u0905\u0915\u094d\u091f\u0942\u092c\u0930, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?\">\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?<\/a> <\/h4>\n <p>\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u092e\u0947\u0902 \u0938\u0930\u0932 \u0938\u0902\u0930\u091a\u0928\u093e \u0914\u0930 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u0915\u093e\u0930\u094d\u0930\u0935\u093e\u0908 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092f\u0939 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u093e\u0927\u094d\u092f\u092e \u0915\u0947 \u0938\u0940\u0927\u0947 \u0938\u0902\u092a\u0930\u094d\u0915 \u092e\u0947\u0902 \u0939\u0948, \u0907\u0938\u0915\u093e \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0938\u0940\u0927\u0947 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u0940 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0914\u0930 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948, \u0907\u0938\u0932\u093f\u090f \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0914\u0930 \u092e\u0930\u092e\u094d\u092e\u0924 \u0915\u0940 \u091c\u093e\u0928\u0940 \u091a\u093e\u0939\u093f\u090f, \u0916\u093e\u0938\u0915\u0930 \u0915\u0920\u094b\u0930 \u0914\u0930 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0911\u092a\u0930\u0947\u091f\u093f\u0902\u0917 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f\u0964 \u092e\u094c\u0915\u0947 \u092a\u0930 \u0930\u0916\u0930\u0916\u093e\u0935 \u0915\u093e\u0930\u094d\u092f \u092a\u0930 \u0905\u0927\u093f\u0915 \u0927\u094d\u092f\u093e\u0928 \u0926\u093f\u092f\u093e \u091c\u093e\u090f\u0964 \u0915\u0941\u0902\u091c\u0940<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/how-to-maintain-the-control-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?\"> <img class=\"lazy\" alt=\"\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029199_t-video.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0938\u093f\u0924\u092e\u094d\u092c\u0930 07, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?\">\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?<\/a> <\/h4>\n <p>1. \u091b\u094b\u091f\u0947 \u092a\u094d\u0930\u0935\u093e\u0939 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927\u0964 \u0935\u093e\u0932\u094d\u0935 \u0936\u0930\u0940\u0930 \u0915\u0947 \u0905\u0902\u0926\u0930 \u092e\u0927\u094d\u092f\u092e \u091a\u0948\u0928\u0932 \u0938\u0940\u0927\u093e \u0939\u0948, \u092e\u0927\u094d\u092f\u092e \u090f\u0915 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u092c\u0939\u0924\u093e \u0939\u0948, \u0914\u0930 \u092a\u094d\u0930\u0935\u093e\u0939 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u091b\u094b\u091f\u093e \u0939\u0948\u0964 2. \u0916\u094b\u0932\u0928\u0947 \u0914\u0930 \u092c\u0902\u0926 \u0939\u094b\u0928\u0947 \u092a\u0930 \u092f\u0939 \u0905\u0927\u093f\u0915 \u0936\u094d\u0930\u092e-\u092c\u091a\u0924 \u0939\u0948\u0964 \u0917\u094d\u0932\u094b\u092c \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902, \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u091a\u093e\u0939\u0947 \u0935\u0939 \u0916\u0941\u0932\u093e \u0939\u094b \u092f\u093e \u092c\u0902\u0926, \u0917\u0947\u091f \u0915\u0947 \u0906\u0902\u0926\u094b\u0932\u0928 \u0915\u0940 \u0926\u093f\u0936\u093e \u092e\u093e\u0927\u094d\u092f\u092e \u0915\u0940 \u092a\u094d\u0930\u0935\u093e\u0939 \u0926\u093f\u0936\u093e \u0915\u0947 \u0932\u0902\u092c\u0935\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 3. \u090a\u0902\u091a\u093e\u0908 \u092c\u0921\u093c\u0940 \u0939\u0948 \u0914\u0930 \u0909\u0926\u094d\u0918\u093e\u091f\u0928 \u0914\u0930 \u0938\u092e\u093e\u092a\u0928 \u091f\u0940\u0906\u0908<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?\"> <img class=\"lazy\" alt=\"\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029164_about_icon2.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0938\u093f\u0924\u092e\u094d\u092c\u0930 07, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?\">\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?<\/a> <\/h4>\n <p>1. \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u092e\u0947\u0902 \u0909\u0924\u094d\u0915\u0943\u0937\u094d\u091f \u0935\u093f\u0930\u094b\u0927\u0940 \u0930\u093f\u0938\u093e\u0935 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u0932\u094d\u0926\u0940 \u0938\u0947 \u0916\u0941\u0932\u0924\u093e \u0939\u0948 \u0914\u0930 \u092c\u0902\u0926 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0914\u0930 \u0915\u092e \u0936\u0915\u094d\u0924\u093f \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939 \u0915\u0941\u091b \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928\u094b\u0902 \u091c\u0948\u0938\u0947 \u091c\u0902\u0917 \u0914\u0930 \u0935\u093f\u0937\u093e\u0915\u094d\u0924\u0924\u093e \u092e\u0947\u0902 \u0915\u091f-\u0911\u092b \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0939\u0948; \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0935\u093e\u0932\u094d\u0935 \u091c\u094d\u092f\u093e\u0926\u093e\u0924\u0930 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928 \u092a\u094d\u0930\u0935\u093e\u0939 \u0935\u093f\u0928\u093f\u092f\u092e\u0928 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u090f \u091c\u093e\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0939\u0935\u093e \u0915\u0940 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0914\u0930 \u092a\u094d\u0930\u0936\u0940\u0924\u0928 \u092e\u0947\u0902 \u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928 \u0915\u0947 \u090f\u092f\u0930 \u0906\u0909\u091f\u0932\u0947\u091f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0924\u0930\u0932 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928\u094b\u0902 \u092e\u0947\u0902 \u092d\u0940 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948, \u0914\u0930 \u0915\u0948\u0928 \u092e\u0947\u0902 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"col-lg-12 col-md-12 col-12 pagination-box wow fadeInUp\">\n <nav aria-label=\"Page navigation example\"><ul class=\"pagination\">\n<li class=\"active\"><a href=\"javascript:void(0);\">1<\/a><\/li>\n <li><a href=\"https:\/\/hi.covna-china.com\/articles\/all\/2.html\">2<\/a><\/li>\n <li><a href=\"https:\/\/hi.covna-china.com\/articles\/all\/3.html\">3<\/a><\/li>\n <li><a href=\"https:\/\/hi.covna-china.com\/articles\/all\/4.html\">4<\/a><\/li>\n <li><a 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table tr:nth-child(even) {\n background-color: #f9f9f9\n }\n\n input::-webkit-inner-spin-button {\n -webkit-appearance: none\n }\n\n input[type=number] {\n -moz-appearance: textfield\n }\n\n img {\n width: auto;\n height: auto\n }\n\n .img-res img {\n width: auto;\n height: auto !important;\n max-width: 100% !important\n }\n\n .sub_item_img {\n width: 80px;\n height: 80px;\n overflow: hidden;\n display: inline-block;\n vertical-align: middle\n }\n\n .breadcrumb_nav_img {\n height: 300px\n }\n\n .breadcrumb_nav_box .fa.fa-home {\n color: #666\n }\n\n .breadcrumb_nav_box a {\n color: var(--main-theme-color);\n text-decoration: none;\n font-weight: 600\n }\n\n .breadcrumb_nav_box .breadcrumb_nav_position {\n text-transform: none\n }\n\n .breadcrumb_nav_box span {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_wrap {\n padding: 13px 0;\n background-color: #ececec\n }\n\n .breadcrumb_nav_list {\n margin: 0;\n padding: 0;\n display: flex;\n flex-wrap: wrap\n }\n\n .breadcrumb_nav_list li {\n margin: 0;\n padding: 0;\n list-style: none;\n margin-right: 10px\n }\n\n .breadcrumb_nav_list li a {\n text-transform: capitalize\n }\n\n .breadcrumb_nav_list li a:hover {\n color: var(--main-theme-color)\n }\n\n .breadcrumb_nav_list li i {\n margin-right: 4px\n }\n\n .breadcrumb_h1_box {\n background-color: #e5e5e5;\n text-align: center;\n height: 100%;\n width: 100%\n }\n\n .breadcrumb_h1_box h1 {\n font-size: 36px;\n font-family: Arial;\n font-weight: 700;\n color: #fff;\n width: 100%\n }\n\n .language-select .dropdown-menu {\n min-width: 170px;\n height: 600px;\n overflow: auto\n }\n\n .language-select i {\n vertical-align: middle\n }\n\n .has_box .sub_box .sub_item span {\n display: inline-block;\n max-width: 60%;\n vertical-align: middle\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 290px\n }\n\n [lang=ca] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=de] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=el] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=es] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=et] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=fr] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=it] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ms] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pl] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=pt] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ro] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=sv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 330px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=ru] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=ru] .sub_item_img {\n width: 78px;\n height: 78px\n }\n\n [lang=ru] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 13px\n }\n\n [lang=cs] .sub_item_img {\n width: 76px;\n height: 76px\n }\n\n [lang=bg] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a,\n [lang=cs] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 260px\n }\n\n [lang=lv] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=lt] .main-nav nav .navbar-nav>.nav-item,\n [lang=vi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 12px;\n margin-right: 12px\n }\n\n [dir=rtl] .topbar ul {\n text-align: right\n }\n\n [dir=rtl] .top-contact-area ul li i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .language-select i {\n margin-left: 4px;\n margin-right: 0\n }\n\n [dir=rtl] .main-nav nav .navbar-nav {\n margin-left: 0;\n margin-right: auto\n }\n\n [dir=rtl] .searchbox {\n padding: 18px 16px 18px 0\n }\n\n [lang=ko] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 14px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu {\n max-width: 310px\n }\n\n [lang=uk] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box,\n [lang=vi] .main-nav nav .navbar-nav .nav-item .dropdown-menu.sub_box {\n max-width: 100%\n }\n\n [lang=hu] .main-nav nav .navbar-nav>.nav-item,\n [lang=iw] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 20px;\n margin-right: 20px\n }\n\n [lang=el] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 10px;\n margin-right: 10px\n }\n\n [lang=fi] .main-nav nav .navbar-nav>.nav-item {\n margin-left: 16px;\n margin-right: 16px\n }\n\n [lang=fi] .main-nav nav .navbar-nav .nav-item.has_box .sub_box .sub_item a {\n font-size: 15px\n }\n\n [lang=pl] .features .welcome_desc p {\n font-size: 24px\n }\n\n @media only screen and (max-width:1199px) {\n .topbar {\n border-bottom: none\n }\n }\n\n @media only screen and (max-width:767px) {\n .language-select .dropdown-menu {\n left: 0;\n right: auto;\n height: 70vh\n }\n\n .newsletter-content .default-section-heading h3 {\n font-size: 28px;\n line-height: 32px;\n padding-bottom: 18px\n }\n }\n <\/style>\n<script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-5WHCGWBZF2\"><\/script><script defer>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"G-5WHCGWBZF2\"), gtag(\"config\", \"AW-10818223058\")\n <\/script><script defer>\n function gtag_report_conversion_1(n) {\n return gtag(\"event\", \"conversion\", {\n send_to: \"AW-10818223058\/VD_JCK_UqIcDENL3w6Yo\",\n event_callback: function() {\n void 0 !== n && (window.location = n)\n }\n }), !1\n }\n <\/script>\n<\/head>\n<body>\n <div class=\"topbar inside_pages_site\">\n <div class=\"w1200\">\n <div class=\"topbar-content\">\n <div class=\"row align-items-center\">\n <div class=\"col-xl-9 col-md-6 col-sm-12 col-12\">\n <div class=\"top-contact-area\">\n <ul>\n<li> <i class=\"fas fa-phone-alt\"><\/i> <span>\u092b\u093c\u094b\u0928:<\/span> <a href=\"tel:8613556641138\">+86-1355-6641138<\/a> <\/li>\n <li> <i class=\"fa fa-envelope\"><\/i> <span>\u0908\u092e\u0947\u0932:<\/span> <a href=\"mailto:inquiry@covna-china.com\">inquiry@covna-china.com<\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <div class=\"col-xl-3 col-md-6 col-sm-12 col-12\">\n <div class=\"topbar-right-area\">\n <div class=\"language-select\">\n <div class=\"dropdown\">\n <div class=\"header_lang_btn\"> <i id=\"lang_icon\" class=\"fas fa-globe\"><\/i> <span id=\"lang_text\" style=\"position:relative;top:2px\">\u092d\u093e\u0937\u093e<\/span> <i class=\"fa fa-caret-down xiala\"><\/i> <\/div>\n <ul class=\"dropdown-menu\" aria-labelledby=\"dLabel\">\n<li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/es.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-es\"><\/i> Espa\u00f1ol <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/fr.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-fr\"><\/i> Fran\u00e7ais <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/de.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-de\"><\/i> Deutsch <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/pt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-pt\"><\/i> Portugu\u00eas <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ru.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ru\"><\/i> P\u0443\u0441\u0441\u043a\u0438\u0439 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/nl.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-nl\"><\/i> Nederlands <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/hi.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-gb\"><\/i> English <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ca.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ad\"><\/i> Catal\u00e0 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/cs.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-cz\"><\/i> \u010de\u0161tina <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/hr.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-hr\"><\/i> Hrvatski <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/lv.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-lv\"><\/i> Latvij\u0101 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/lt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-lt\"><\/i> Lietuvos <\/a> <\/li>\n <li> <a class=\"trans-dot3s 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flag-icon-th\"><\/i> \u0e20\u0e32\u0e29\u0e32\u0e44\u0e17\u0e22 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/ro.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-ro\"><\/i> Rom\u00e2n\u0103 <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/mt.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-mt\"><\/i> Malti <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/no.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-no\"><\/i> Norsk <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sv.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-se\"><\/i> Svenska <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sk.covna-china.com\" target=\"_blank\"> <i class=\"flag-icon flag-icon-sk\"><\/i> slovensk\u00fd <\/a> <\/li>\n <li> <a class=\"trans-dot3s notranslate\" href=\"https:\/\/sl.covna-china.com\" 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\u0916\u0941\u0932\u0928\u0947 \u0914\u0930 \u092c\u0902\u0926 \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0947 \u0939\u093f\u0938\u094d\u0938\u0947 \u0917\u0947\u091f \u092a\u094d\u0932\u0947\u091f \u0939\u0948\u0902\u0964 \u0917\u0947\u091f \u092a\u094d\u0932\u0947\u091f \u0915\u0940 \u0917\u0924\u093f \u0926\u093f\u0936\u093e \u0924\u0930\u0932 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u0926\u093f\u0936\u093e \u0915\u0947 \u0932\u0902\u092c\u0935\u0924 \u0939\u0948\u0964 \u092e\u093e\u0927\u094d\u092f\u092e \u0915\u094b \u091a\u093e\u0915\u0942 \u0915\u0947 \u0915\u093f\u0928\u093e\u0930\u0947 \u0915\u0947 \u0917\u0947\u091f \u0926\u094d\u0935\u093e\u0930\u093e \u0915\u093e\u091f \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u091c\u094b \u092b\u093e\u0907\u092c\u0930 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u094b \u0915\u093e\u091f \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u0917\u0947\u091f \u092a\u094d\u0932\u0947\u091f \u092e\u0947\u0902 \u0926\u094b \u0938\u0940\u0932\u093f\u0902\u0917 \u0938\u0924\u0939\u0947\u0902 \u0939\u0948\u0902\u0964 \u0938\u092c\u0938\u0947 \u0905\u0927\u093f\u0915 \u0907\u0938\u094d\u0924\u0947\u092e\u093e\u0932 \u0915\u093f\u090f \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092e\u094b\u0921 \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0926\u094b \u0938\u0940\u0932\u093f\u0902\u0917 \u0938\u0924\u0939\u0947\u0902 \u0921\u092c\u094d\u0932\u094d\u092f\u0942 \u092c\u0928\u093e\u0924\u0940 \u0939\u0948\u0902<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/features-of-knife-gate-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/what-is-electric-control-valve.html\" title=\"\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 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\u0915\u094d\u092f\u093e \u0939\u0948?\">\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u0915\u094d\u092f\u093e \u0939\u0948?<\/a> <\/h4>\n <p>\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0915\u0902\u091f\u094d\u0930\u094b\u0932 \u0935\u093e\u0932\u094d\u0935 \u090f\u0915 \u0917\u093e\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u0938\u093e\u0925 \u090f\u0915 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u0932\u093f\u0915 \u0930\u0942\u092a \u0938\u0947 \u0938\u0902\u091a\u093e\u0932\u093f\u0924 \u0935\u093e\u0932\u094d\u0935 \u0939\u0948\u0964 \u0907\u0938\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0905\u0915\u094d\u0938\u0930 \u092a\u093e\u0928\u0940 \u0915\u0940 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0914\u0930 \u091c\u0932 \u0928\u093f\u0915\u093e\u0938\u0940 \u0914\u0930 \u0914\u0926\u094d\u092f\u094b\u0917\u093f\u0915 \u092a\u094d\u0930\u0923\u093e\u0932\u093f\u092f\u094b\u0902 \u092e\u0947\u0902 \u0938\u094d\u0935\u091a\u093e\u0932\u093f\u0924 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u091f\u0940\u0915 \u0914\u0930 \u0924\u0947\u091c\u093c \u0939\u0948, \u0914\u0930 \u0930\u093f\u092e\u094b\u091f \u0911\u092a\u0930\u0947\u0936\u0928 \u0915\u093e \u090f\u0939\u0938\u093e\u0938 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u094b \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0938\u0902\u0915\u0947\u0924\u094b\u0902 \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0926\u0942\u0930\u0938\u094d\u0925 \u0930\u0942\u092a \u0938\u0947 \u0916\u094b\u0932\u093e \u0914\u0930 \u092c\u0902\u0926 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092c\u0921\u093c\u0947 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0911\u092a\u0930\u0947\u091f\u0940 \u0915\u0947 \u0932\u093f\u090f \u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0924\u093f\u0924\u0932\u0940 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u092c\u0926\u0932 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/what-is-electric-control-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930\"> <img class=\"lazy\" alt=\"\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1629961935_logo.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>24 \u0905\u0915\u094d\u091f\u0942\u092c\u0930, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\" title=\"\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930\">\u090f\u092f\u0930 \u0911\u092a\u0930\u0947\u091f\u0947\u0921 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930<\/a> <\/h4>\n <p>\u090f\u0915 \u0935\u093e\u092f\u0935\u0940\u092f \u0935\u093e\u0932\u094d\u0935 \u0938\u0902\u092a\u0940\u0921\u093c\u093f\u0924 \u0939\u0935\u093e \u0926\u094d\u0935\u093e\u0930\u093e \u0938\u0902\u091a\u093e\u0932\u093f\u0924 \u090f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0939\u0948\u0964 \u0935\u093e\u092f\u0935\u0940\u092f \u0935\u093e\u0932\u094d\u0935 \u0916\u0930\u0940\u0926\u0924\u0947 \u0938\u092e\u092f, \u0915\u094d\u0930\u092f \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e\u0913\u0902 \u0915\u094b \u092a\u0942\u0930\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u0947\u0935\u0932 \u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936\u094b\u0902, \u092a\u094d\u0930\u0915\u093e\u0930\u094b\u0902 \u0914\u0930 \u0915\u093e\u092e \u0915\u0947 \u0926\u092c\u093e\u0935\u094b\u0902 \u0915\u094b \u0928\u093f\u0930\u094d\u0926\u093f\u0937\u094d\u091f \u0915\u0930\u0928\u093e \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948\u0964 \u092c\u0939\u0928\u093e\u0964 \u0935\u093e\u092f\u0935\u0940\u092f \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0905\u0902\u0924\u0930 \u0938\u093f\u0917\u094d\u0928\u0932 \u0938\u094d\u0930\u094b\u0924 \u092e\u0947\u0902 \u0905\u0902\u0924\u0930 \u0939\u0948\u0964 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0917\u0902\u092d\u0940\u0930 \u092c\u0926\u0932\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093e\u0932\u094d\u0935 \u0915\u094b\u0930 \u0915\u094b \u0927\u0915\u094d\u0915\u093e \u0926\u0947\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092a\u093e\u092f\u0932\u091f \u0917\u0948\u0938 \u0915\u094b \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092c\u093f\u091c\u0932\u0940 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u093e \u0939\u0948<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/the-difference-between-air-operated-valve-and-electric-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?\"> <img class=\"lazy\" alt=\"\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1637133592_Manual-valve.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>24 \u0905\u0915\u094d\u091f\u0942\u092c\u0930, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/how-to-maintain-the-control-valve.html\" title=\"\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?\">\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0915\u0948\u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u0947\u0902?<\/a> <\/h4>\n <p>\u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u092e\u0947\u0902 \u0938\u0930\u0932 \u0938\u0902\u0930\u091a\u0928\u093e \u0914\u0930 \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f \u0915\u093e\u0930\u094d\u0930\u0935\u093e\u0908 \u0915\u0940 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u090f\u0902 \u0939\u0948\u0902, \u0932\u0947\u0915\u093f\u0928 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092f\u0939 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u093e\u0927\u094d\u092f\u092e \u0915\u0947 \u0938\u0940\u0927\u0947 \u0938\u0902\u092a\u0930\u094d\u0915 \u092e\u0947\u0902 \u0939\u0948, \u0907\u0938\u0915\u093e \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0938\u0940\u0927\u0947 \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u0940 \u0917\u0941\u0923\u0935\u0924\u094d\u0924\u093e \u0914\u0930 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923 \u092a\u094d\u0930\u0926\u0942\u0937\u0923 \u0915\u094b \u092a\u094d\u0930\u092d\u093e\u0935\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948, \u0907\u0938\u0932\u093f\u090f \u0928\u093f\u092f\u0902\u0924\u094d\u0930\u0923 \u0935\u093e\u0932\u094d\u0935 \u0915\u094b \u0928\u093f\u092f\u092e\u093f\u0924 \u0930\u0942\u092a \u0938\u0947 \u092c\u0928\u093e\u090f \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0914\u0930 \u092e\u0930\u092e\u094d\u092e\u0924 \u0915\u0940 \u091c\u093e\u0928\u0940 \u091a\u093e\u0939\u093f\u090f, \u0916\u093e\u0938\u0915\u0930 \u0915\u0920\u094b\u0930 \u0914\u0930 \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0911\u092a\u0930\u0947\u091f\u093f\u0902\u0917 \u0938\u094d\u0925\u093f\u0924\u093f\u092f\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f\u0964 \u092e\u094c\u0915\u0947 \u092a\u0930 \u0930\u0916\u0930\u0916\u093e\u0935 \u0915\u093e\u0930\u094d\u092f \u092a\u0930 \u0905\u0927\u093f\u0915 \u0927\u094d\u092f\u093e\u0928 \u0926\u093f\u092f\u093e \u091c\u093e\u090f\u0964 \u0915\u0941\u0902\u091c\u0940<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/how-to-maintain-the-control-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?\"> <img class=\"lazy\" alt=\"\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029199_t-video.jpg?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0938\u093f\u0924\u092e\u094d\u092c\u0930 07, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\" title=\"\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?\">\u0917\u0947\u091f \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092b\u093e\u092f\u0926\u0947 \u0915\u094d\u092f\u093e \u0939\u0948\u0902?<\/a> <\/h4>\n <p>1. \u091b\u094b\u091f\u0947 \u092a\u094d\u0930\u0935\u093e\u0939 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927\u0964 \u0935\u093e\u0932\u094d\u0935 \u0936\u0930\u0940\u0930 \u0915\u0947 \u0905\u0902\u0926\u0930 \u092e\u0927\u094d\u092f\u092e \u091a\u0948\u0928\u0932 \u0938\u0940\u0927\u093e \u0939\u0948, \u092e\u0927\u094d\u092f\u092e \u090f\u0915 \u0938\u0940\u0927\u0940 \u0930\u0947\u0916\u093e \u092e\u0947\u0902 \u092c\u0939\u0924\u093e \u0939\u0948, \u0914\u0930 \u092a\u094d\u0930\u0935\u093e\u0939 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u091b\u094b\u091f\u093e \u0939\u0948\u0964 2. \u0916\u094b\u0932\u0928\u0947 \u0914\u0930 \u092c\u0902\u0926 \u0939\u094b\u0928\u0947 \u092a\u0930 \u092f\u0939 \u0905\u0927\u093f\u0915 \u0936\u094d\u0930\u092e-\u092c\u091a\u0924 \u0939\u0948\u0964 \u0917\u094d\u0932\u094b\u092c \u0935\u093e\u0932\u094d\u0935 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902, \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u091a\u093e\u0939\u0947 \u0935\u0939 \u0916\u0941\u0932\u093e \u0939\u094b \u092f\u093e \u092c\u0902\u0926, \u0917\u0947\u091f \u0915\u0947 \u0906\u0902\u0926\u094b\u0932\u0928 \u0915\u0940 \u0926\u093f\u0936\u093e \u092e\u093e\u0927\u094d\u092f\u092e \u0915\u0940 \u092a\u094d\u0930\u0935\u093e\u0939 \u0926\u093f\u0936\u093e \u0915\u0947 \u0932\u0902\u092c\u0935\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 3. \u090a\u0902\u091a\u093e\u0908 \u092c\u0921\u093c\u0940 \u0939\u0948 \u0914\u0930 \u0909\u0926\u094d\u0918\u093e\u091f\u0928 \u0914\u0930 \u0938\u092e\u093e\u092a\u0928 \u091f\u0940\u0906\u0908<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/what-are-the-advantages-of-gate-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <div class=\"blog-card col-lg-4 col-md-6 col-12 wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?\"> <img class=\"lazy\" alt=\"\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?\" src=\"\/\/v4-assets.goalsites.com\/yexuming\/icon\/loading1.gif\" data-original=\"\/\/v4-upload.goalsites.com\/728\/image_1630029164_about_icon2.png?imageView2\/1\/w\/376\/h\/251\/format\/webp\" width=\"376\" height=\"251\"><\/a>\n <div class=\"blog-text\">\n <div class=\"blog-date\">\n <ul>\n<li> <i class=\"far fa-calendar-alt\"><\/i> <span>\u0938\u093f\u0924\u092e\u094d\u092c\u0930 07, 2022<\/span>\n<\/li>\n <\/ul>\n<\/div>\n <h4> <a href=\"https:\/\/hi.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\" title=\"\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?\">\u0915\u094d\u092f\u093e \u0906\u092a \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u093f\u0915 \u0935\u093e\u0932\u094d\u0935 \u0914\u0930 \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u0915\u0947 \u092c\u0940\u091a \u0905\u0902\u0924\u0930 \u091c\u093e\u0928\u0924\u0947 \u0939\u0948\u0902?<\/a> <\/h4>\n <p>1. \u0938\u094b\u0932\u0928\u0949\u0907\u0921 \u0935\u093e\u0932\u094d\u0935 \u092e\u0947\u0902 \u0909\u0924\u094d\u0915\u0943\u0937\u094d\u091f \u0935\u093f\u0930\u094b\u0927\u0940 \u0930\u093f\u0938\u093e\u0935 \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u0939\u094b\u0924\u093e \u0939\u0948, \u091c\u0932\u094d\u0926\u0940 \u0938\u0947 \u0916\u0941\u0932\u0924\u093e \u0939\u0948 \u0914\u0930 \u092c\u0902\u0926 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0914\u0930 \u0915\u092e \u0936\u0915\u094d\u0924\u093f \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u092f\u0939 \u0915\u0941\u091b \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928\u094b\u0902 \u091c\u0948\u0938\u0947 \u091c\u0902\u0917 \u0914\u0930 \u0935\u093f\u0937\u093e\u0915\u094d\u0924\u0924\u093e \u092e\u0947\u0902 \u0915\u091f-\u0911\u092b \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0939\u0948; \u0935\u093f\u0926\u094d\u092f\u0941\u0924 \u0935\u093e\u0932\u094d\u0935 \u091c\u094d\u092f\u093e\u0926\u093e\u0924\u0930 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928 \u092a\u094d\u0930\u0935\u093e\u0939 \u0935\u093f\u0928\u093f\u092f\u092e\u0928 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u090f \u091c\u093e\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 \u0906\u092e\u0924\u094c\u0930 \u092a\u0930 \u0939\u0935\u093e \u0915\u0940 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0914\u0930 \u092a\u094d\u0930\u0936\u0940\u0924\u0928 \u092e\u0947\u0902 \u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928 \u0915\u0947 \u090f\u092f\u0930 \u0906\u0909\u091f\u0932\u0947\u091f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0924\u0930\u0932 \u092a\u093e\u0907\u092a\u0932\u093e\u0907\u0928\u094b\u0902 \u092e\u0947\u0902 \u092d\u0940 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948, \u0914\u0930 \u0915\u0948\u0928 \u092e\u0947\u0902 \u0935\u094d\u092f\u093e\u092a\u0915 \u0930\u0942\u092a \u0938\u0947 \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/p> <a class=\"read-more-btn\" href=\"https:\/\/hi.covna-china.com\/article\/do-you-know-the-difference-between-electric-valve-and-solenoid-valve.html\">\u0914\u0930 \u0905\u0927\u093f\u0915 >> \u092a\u0922\u093c\u0947\u0902<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"col-lg-12 col-md-12 col-12 pagination-box wow fadeInUp\">\n <nav aria-label=\"Page navigation example\"><ul class=\"pagination\">\n<li class=\"active\"><a href=\"javascript:void(0);\">1<\/a><\/li>\n <li><a href=\"https:\/\/hi.covna-china.com\/articles\/all\/2.html\">2<\/a><\/li>\n <li><a href=\"https:\/\/hi.covna-china.com\/articles\/all\/3.html\">3<\/a><\/li>\n <li><a href=\"https:\/\/hi.covna-china.com\/articles\/all\/4.html\">4<\/a><\/li>\n <li><a 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<h3>\u0909\u0926\u094d\u0927\u0930\u0923 \u0915\u0947 \u092c\u093e\u0930\u0947 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u091c\u093e\u0928\u0915\u093e\u0930\u0940 \u092a\u0942\u091b\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092f\u0939\u093e\u0902 \u0915\u094d\u0932\u093f\u0915 \u0915\u0930\u0947\u0902<\/h3>\n <\/div>\n <\/div>\n <div class=\"col-lg-4\"> <a class=\"newsletter-btn\" data-fancybox data-src=\"#QuickInquiryModal\" href=\"javascript:;\">\u091c\u093e\u0902\u091a \u092d\u0947\u091c\u0947\u0902<\/a> <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"footer pb-100\">\n <div class=\"w1200 clearfix\">\n <div class=\"footer-logo-area wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/\"><img src=\"\/\/v4-upload.goalsites.com\/728\/image_1629961960_logo1.png\" alt=\"\u0932\u094b\u0917\u094b\" width=\"216\" height=\"37\"><\/a>\n <p>\u0935\u0948\u0936\u094d\u0935\u093f\u0915 \u0938\u094d\u0935\u091a\u093e\u0932\u0928 \u0905\u0928\u0941\u092a\u094d\u0930\u092f\u094b\u0917 \u0938\u0947\u0935\u093e \u092a\u094d\u0930\u0926\u093e\u0924\u093e \u0915\u0947 \u0932\u093f\u090f \u092a\u094d\u0930\u0924\u093f\u092c\u0926\u094d\u0927<\/p>\n <div class=\"footer-social-links\">\n <ul>\n<li> <a href=\"https:\/\/www.linkedin.com\/in\/covnavalves\/\" target=\"_blank\"><i class=\"fab fa-linkedin-in\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/twitter.com\/valve_covna\" target=\"_blank\"><i class=\"fab fa-twitter\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/www.youtube.com\/channel\/UC3EDFKt6qoQCCyuun5Tfwwg\" target=\"_blank\"><i class=\"fab fa-youtube\"><\/i><\/a> <\/li>\n <li> <a href=\"https:\/\/www.instagram.com\/fluidcontrolvalve\/\" target=\"_blank\"><i class=\"fab fa-instagram\"><\/i><\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <div class=\"footer-links footer-quick-links wow fadeInUp\">\n <h3 class=\"ft_title\">\u0924\u094d\u0935\u0930\u093f\u0924 \u0932\u093f\u0902\u0915\u094d\u0938<\/h3>\n <ul>\n<li> <a 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<p>\u0938\u094d\u0925\u093e\u0928:<\/p>\n <p>- \u0932\u094b\u0902\u0917\u091a\u093e\u0902\u0917 \u092e\u093e\u0907\u0915\u094d\u0930\u094b-\u091a\u0941\u0906\u0902\u0917\u092f\u0941\u0906\u0928, \u0921\u094b\u0902\u0917\u091a\u0947\u0902\u0917 \u091c\u093f\u0932\u093e \u0921\u094b\u0902\u0917\u0917\u0941\u0906\u0928 \u0938\u093f\u091f\u0940, \u091a\u0940\u0928, 523000<\/p>\n <\/li>\n <\/ul>\n<\/div>\n <div class=\"footer-links footer-form wow fadeInUp\">\n <h3>\u0938\u0926\u0938\u094d\u092f\u0924\u093e \u0932\u0947\u0902<\/h3>\n <p>\u0939\u092e\u093e\u0930\u0947 \u0905\u0926\u094d\u092f\u0924\u0928 \u0938\u092e\u093e\u091a\u093e\u0930 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0939\u092e\u093e\u0930\u0947 \u0928\u094d\u092f\u0942\u091c\u093c\u0932\u0947\u091f\u0930 \u0915\u0940 \u0938\u0926\u0938\u094d\u092f\u0924\u093e \u0932\u0947\u0902!<\/p>\n <form class=\"form-35ae53c76b5ee1daa4a720360e3a6dfd\" 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type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryName\" name=\"custom[countryName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_regionName\" name=\"custom[regionName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_cityName\" name=\"custom[cityName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryCode\" name=\"custom[countryCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_zipCode\" name=\"custom[zipCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_latitude\" name=\"custom[latitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_longitude\" name=\"custom[longitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_timeZone\" name=\"custom[timeZone]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[86.0.4240.75]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9,ja;q=0.8,en-US;q=0.7,en;q=0.6,zh-TW;q=0.5\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/86.0.4240.75 Safari\/537.36\">\n<\/form>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"copyright\">\n <div class=\"container\">\n <p class=\"wow fadeInUp\"> <a href=\"https:\/\/hi.covna-china.com\/page\/contact-us.html\" target=\"_blank\">\u0917\u094b\u092a\u0928\u0940\u092f\u0924\u093e \u0928\u0940\u0924\u093f<\/a><br>\u0915\u0949\u092a\u0940\u0930\u093e\u0907\u091f 2021 \u0917\u0941\u0906\u0902\u0917\u094d\u0921\u094b\u0902\u0917 \u0938\u0940\u0913\u0935\u0940\u090f\u0928\u090f \u0915\u0902, 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class=\"form-control\" placeholder=\"\u0905\u092a\u0928\u093e \u0908\u092e\u0947\u0932 \u0926\u0930\u094d\u091c \u0915\u0930\u0947\u0902\" required=\"required\" pattern=\"[-\\w\\.]+@[-\\w]+(\\.[-\\w]+)+\">\n<\/div>\n <div class=\"form-group\"> <label>\u092b\u093c\u094b\u0928:<\/label> <input type=\"text\" name=\"contact[Phone]\" class=\"form-control\" placeholder=\"\u092b\u093c\u094b\u0928 \u0928\u0902\u092c\u0930 \u0926\u0930\u094d\u091c \u0915\u0930\u0947\u0902\" pattern=\"(\\d{11})|^((\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})|(\\d{4}|\\d{3})-(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1})|(\\d{7,8})-(\\d{4}|\\d{3}|\\d{2}|\\d{1}))$\">\n<\/div>\n <div class=\"form-group\"> <label>* \u0938\u0902\u0926\u0947\u0936:<\/label> <textarea class=\"form-control\" rows=\"3\" name=\"message\" placeholder=\"\u0905\u092a\u0928\u093e \u0938\u0902\u0926\u0947\u0936 \u0926\u0930\u094d\u091c \u0915\u0930\u0947\u0902\" required=\"required\"><\/textarea>\n<\/div> <button type=\"submit\" class=\"btn btn-primary\">\u091c\u093e\u0902\u091a \u092d\u0947\u091c\u0947\u0902<\/button> <input class=\"custom-832d79346386d659f3edcd67e774aaf1_ipAddress\" name=\"custom[ipAddress]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryName\" name=\"custom[countryName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_regionName\" name=\"custom[regionName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_cityName\" name=\"custom[cityName]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_countryCode\" name=\"custom[countryCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_zipCode\" name=\"custom[zipCode]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_latitude\" name=\"custom[latitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_longitude\" name=\"custom[longitude]\" type=\"hidden\" value><input class=\"custom-832d79346386d659f3edcd67e774aaf1_timeZone\" name=\"custom[timeZone]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_ipAddress\" name=\"geoip[ipAddress]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryName\" name=\"geoip[countryName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_countryCode\" name=\"geoip[countryCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_regionName\" name=\"geoip[regionName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_cityName\" name=\"geoip[cityName]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_zipCode\" name=\"geoip[zipCode]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_latitude\" name=\"geoip[latitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_longitude\" name=\"geoip[longitude]\" type=\"hidden\" value><input class=\"geo-048a9bc729417347585bd603346489d1_timeZone\" name=\"geoip[timeZone]\" type=\"hidden\" value><input name=\"useragent[browser]\" type=\"hidden\" value=\"Chrome[86.0.4240.75]\"><input name=\"useragent[platform]\" type=\"hidden\" value=\"Windows 10\"><input name=\"useragent[lang]\" type=\"hidden\" value=\"zh-CN,zh;q=0.9,ja;q=0.8,en-US;q=0.7,en;q=0.6,zh-TW;q=0.5\"><input name=\"useragent[mobile]\" type=\"hidden\" value=\"No\"><input name=\"useragent[agent_string]\" type=\"hidden\" value=\"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/86.0.4240.75 Safari\/537.36\">\n<\/form>\n <\/div>\n <\/div>\n <\/section><script src=\"https:\/\/cdn.staticfile.org\/twitter-bootstrap\/4.5.0\/js\/bootstrap.min.js\"><\/script><script src=\"https:\/\/cdn.staticfile.org\/wow\/1.1.2\/wow.min.js\"><\/script><script 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