{"id":537,"date":"2026-07-10T15:01:25","date_gmt":"2026-07-10T07:01:25","guid":{"rendered":"https:\/\/www.chengrongtimes.com\/?p=537"},"modified":"2026-07-10T15:05:33","modified_gmt":"2026-07-10T07:05:33","slug":"from-ultrafiltration-membranes-to-complete-whole-house-water-filtration-systems-how-chengrongs-full-in-house-supply-chain-sets-it-apart","status":"publish","type":"post","link":"https:\/\/www.chengrongtimes.com\/?p=537","title":{"rendered":"From Ultrafiltration Membranes to Complete Whole House Water Filtration Systems: How ChengrongTimes\u2019 Fully Integrated In-House Manufacturing Sets It Apart"},"content":{"rendered":"\n<p class=\"has-small-font-size wp-block-paragraph\">Chengrong Factory was established on May 6, 2008. <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">It&#8217;s one of the last few factories that cover the full supply chain for the R&amp;D and manufacturing of ultrafiltration membranes and the complete ultrafiltration water filter systems. <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">By 2026, Chengrong Ultrafiltration Factory has long become the benchmark for peers worldwide in the ultrafiltration industry. &nbsp;<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">In the Chengrong Factory, we always put R&amp;D first, update products nonstop, and have customers&#8217; backs. Out of nearly 4,000 peers in China, fewer than 10 have got the &#8220;National High-Tech Enterprise&#8221; title, and Chengrong factory is one of them.&nbsp;<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Since 2008, we have remained committed to a focused product strategy, continuously refining our expertise in the R&amp;D and manufacturing of ultrafiltration membranes and complete ultrafiltration water filtration systems. <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Four Distinctive Ultrafiltration Water Filter Product Lines<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li class=\"has-small-font-size\"><strong>1. Mineral-like <a href=\"https:\/\/www.chengrongtimes.com\/?p=84\" target=\"_blank\" rel=\"noopener\" title=\"Under Sink Water Filter\">Under Sink Water Filter<\/a> for Direct Drinking<\/strong><br><br>Unlike RO water filters, which remove nearly all substances from water\u2014including both harmful contaminants and beneficial minerals.<br><br>ChengrongTimes mineral-like under sink water filter removes 99% of bacteria, viruses, pathogens, and particulate impurities, as well as residual chlorine, while preserving naturally occurring minerals and trace elements. <br><br>It delivers an ideal balance between clean, healthy, and great-tasting to the drinking water.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260701130518_453_6-768x1024.jpg\" alt=\"ChengrongTimes mineral-retaining under sink water filter with a high filtered-water flow rate.\" class=\"wp-image-538\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260701130518_453_6-768x1024.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260701130518_453_6-225x300.jpg 225w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260701130518_453_6-1152x1536.jpg 1152w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260701130518_453_6-1536x2048.jpg 1536w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260701130518_453_6-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">ChengrongTimes mineral-retaining under sink water filter with a high filtered-water flow rate.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-683x1024.jpg\" alt=\"ChengrongTimes mineral-retaining under-sink water filter installed beneath a customer\u2019s kitchen sink.\" class=\"wp-image-539\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-683x1024.jpg 683w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-200x300.jpg 200w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-768x1152.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-1024x1536.jpg 1024w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-1365x2048.jpg 1365w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260707143921_2250_77-scaled.jpg 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><figcaption class=\"wp-element-caption\">A real customer installation of the ChengrongTimes mineral-retaining under sink water filter. <br>It removes harmful contaminants while retaining naturally occurring minerals and trace elements\u2014an uncommon filtration capability in the market.<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-small-font-size\"><strong>2.\u00a0<a href=\"https:\/\/www.chengrongtimes.com\/?p=57\" target=\"_blank\" rel=\"noopener\" title=\"Whole House Water Filter\">Whole House Water Filter<\/a><\/strong><br><br>ChengrongTimes 0.1-micron whole house water filtration systems are designed to install on the main water inlet pipeline, used to intercept any sediment, rust, and other particulate impurities in the supply raw water.<br><br>ChengrongTimes 0.1-micron whole house water filters can treat both municipal tap water and well water, turning turbid water crystal clear and providing cleaner water for showering, laundry, and other household uses. <br><br>They also improve the feed-water quality for water-using appliances and point-of-use kitchen water filters.<br><br>Unlike the mainstream whole house water filtration systems on the market, which rely on activated carbon adsorption and incomplete filtration by 5-micron PP sediment filter cartridges, ChengrongTimes whole house water filters use 0.1-micron membrane pores to physically intercept fine particulate impurities in water much more thoroughly.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/5-9-1024x1024.jpg\" alt=\"Installation diagram of a ChengrongTimes whole house water filter connected to the main water inlet pipe, with a bypass line, pressure-reducing valve, and backwash outlet.\" class=\"wp-image-542\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/5-9-1024x1024.jpg 1024w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/5-9-300x300.jpg 300w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/5-9-150x150.jpg 150w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/5-9-768x768.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/5-9.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">With a filtration precision of 0.1 micron, the system physically intercepts fine particulate impurities in turbid well water\u2014including sediment, rust, colloids, and insect eggs\u2014turning cloudy water crystal clear.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260704205756_2164_77-1024x768.jpg\" alt=\"ChengrongTimes smart rotary-cleaning ultrafiltration hole house water filtration system\" class=\"wp-image-543\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260704205756_2164_77-1024x768.jpg 1024w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260704205756_2164_77-300x225.jpg 300w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260704205756_2164_77-768x576.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260704205756_2164_77-1536x1152.jpg 1536w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260704205756_2164_77-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>ChengrongTimes smart rotary-cleaning whole house water filter system<\/strong><br>Chengrong\u2019s proprietary automated rotary-cleaning technology addresses the membrane fouling and clogging problems commonly found in conventional PVDF ultrafiltration systems, significantly reducing the need for manual maintenance.<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-small-font-size\"><strong>3.\u00a0High-Capacity Mineral-Retaining Drinking Water Filtration System for Commercial Use<\/strong><br><br>This system combines activated carbon with Chengrong\u2019s proprietary 0.01-micron residual-chlorine-removal ultrafiltration membrane cartridge to provide clean, healthy, mineral-retaining drinking water for a wide range of commercial and institutional applications, including schools, offices, shopping malls, hotels, and other commercial facilities.<br><br>Unlike filtration systems that combine reverse osmosis with activated carbon to produce pure water, ChengrongTimes produces mineral-retaining water with qualities similar to natural mineral water. <br><br>While removing 99% of particulate impurities, bacteria, viruses, and residual chlorine, the system preserves the naturally occurring minerals and trace elements in the water.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250830141005_179_496-768x1024.jpg\" alt=\"High-Capacity Mineral-Retaining Drinking Water Filtration System for Commercial Use\" class=\"wp-image-546\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250830141005_179_496-768x1024.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250830141005_179_496-225x300.jpg 225w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250830141005_179_496-1152x1536.jpg 1152w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250830141005_179_496.jpg 1280w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">High-Capacity Mineral-Retaining Drinking Water Filtration System for Commercial Use<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-small-font-size\"><strong>4. Complete Set of Water Filtration Equipment for Water Treatment Plants<\/strong><br><br>From design and manufacturing to complete system assembly, every step is carried out in-house at the Chengrong factory, with no outsourcing. This gives us full control over production and helps ensure reliable lead times, so customers can place their orders with confidence.<br><br>Even in the details customers cannot see, Chengrong never cuts corners, never misleads, and never shifts responsibility. This commitment can be written directly into the contract.<br><br>All externally sourced components\u2014including displays, PLC control cabinets, and electrical components\u2014are supplied by leading domestic and international brands and are covered by a two-year warranty.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144646_392_496-1024x768.jpg\" alt=\"Complete Set of Water Filtration Equipment for Water Treatment Plants\" class=\"wp-image-544\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144646_392_496-1024x768.jpg 1024w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144646_392_496-300x225.jpg 300w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144646_392_496-768x576.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144646_392_496-1536x1152.jpg 1536w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144646_392_496.jpg 1702w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Complete Set of Water Filtration Equipment for Water Treatment Plants<\/figcaption><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144638_390_496-1024x768.jpg\" alt=\"Engineering water treatment equipment being manufactured in the Chengrong factory workshop.\" class=\"wp-image-545\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144638_390_496-1024x768.jpg 1024w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144638_390_496-300x225.jpg 300w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144638_390_496-768x576.jpg 768w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144638_390_496-1536x1152.jpg 1536w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20250927144638_390_496.jpg 1702w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Engineering water treatment equipment being manufactured in the Chengrong factory workshop.<br>From design and manufacturing to complete system assembly, every step is carried out in-house at the Chengrong factory, with no outsourcing.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Chengrong ultrafiltration factory is used to conducting 3 to 4 technical upgrades annually, ensuring Chenrong ultrafiltration membrane &amp; filtration technology far ahead of our peers in the quality<\/strong><\/h2>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">The reason Chengrong has grown to become one of the top 3 ultrafiltration water filter factories today is that, over the past nearly 20 years, Mr. Zhuang Beikan, the founder, has run the factory with the core value of &#8220;Integrity as Pride&#8221;. His goal is to ensure Chengrong&#8217;s customers sleep soundly, helping them increase market profits by 10%. He has truly turned the concept of &#8220;zero customer worries&#8221; into reality.<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><strong>From its early days<\/strong>, when Chengrong Factory focused on manufacturing hardware parts, processing stainless steel casings for ultrafiltration water filters, which is always used for whole house wtaer filtration system to filter rural well water, then providing ODM\/OEM services for complete ultrafiltration water filters, all staff have adhered to the ISO 9001 international quality certification system, with an annual investment of over 360K RMB into quality checks. This is why ChengrongEra UF filter as whole house water filtration system will be no leakage and no rust for 10 years.<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><strong>Later<\/strong>, the factory established our own ultrafiltration membrane facility, and further expanded into the engineering sector, covering commercial ultrafiltration water filtration equipment for urban water treatment plants.&nbsp;<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><strong>Starting as a small workshop with only 10 employees, it has grown into a full-supply-chain factory with 280 staff, a feat rarely matched by any other factory in the industry.<\/strong><\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">In 2025, Chengrong Ultrafiltration Factory launched its own brand:\u00a0<strong>ChengrongTimes (\u8bda\u8363\u65f6\u4ee3\u00ae)<\/strong>, targeting the top 2% high-end market. <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">In manufacturing quality, product functionality, and structural design, ChengrongTimes has already become a benchmark that global <a href=\"https:\/\/www.chengrongtimes.com\/\" target=\"_blank\" rel=\"noopener\" title=\"whole house water filtration system\"><strong>whole house water filtration system<\/strong><\/a> industry peers strive to match.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Ultrafiltration water filter made&nbsp;in Chengrong Factory,<\/strong><br><strong>Zero Worries for Global Customers<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">10 Years Rust-Free Guarantee<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">10 Years Leak-Free Assurance<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">10 Years Professional After-Sale Support<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>ChengrongTimes Whole House Water Filters and&nbsp;Under Sink Water Filters,<\/strong><br><strong>Never Compromise on Quality and Service<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"http:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/06\/1-13.jpg\" alt=\"Chengrong Ultrafiltration Factory Overviw\" class=\"wp-image-458\" srcset=\"https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/06\/1-13.jpg 1000w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/06\/1-13-300x200.jpg 300w, https:\/\/www.chengrongtimes.com\/wp-content\/uploads\/2026\/06\/1-13-768x512.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Chengrong Ultrafiltration Factory Overviw<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Chengrong Factory was established on May 6, 2008. It&#8217;s one of the last few factories that cover the full supply chain for the R&amp;D and manufacturing of ultrafiltration membranes and the complete ultrafiltration water filter systems. By 2026, Chengrong Ultrafiltration Factory has long become the benchmark for peers worldwide in the ultrafiltration industry. &nbsp; In [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-537","post","type-post","status-publish","format-standard","hentry","category-factory-diary"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Chengrong Factory was established on May 6, 2008. 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It&#039;s one of the last few factories that cover the full supply chain for the R&amp;D and manufacturing of ultrafiltration membranes and the complete ultrafiltration water filter systems. By 2026, Chengrong Ultrafiltration Factory has long become the benchmark for peers worldwide in the ultrafiltration industry. In\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.chengrongtimes.com\/?p=537\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-07-10T07:01:25+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-07-10T07:05:33+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"From Ultrafiltration Membranes to Complete Whole House Water Filtration Systems: How ChengrongTimes\u2019 Fully Integrated In-House Manufacturing Sets It Apart | ChengrongTimes\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Chengrong Factory was established on May 6, 2008. It&#039;s one of the last few factories that cover the full supply chain for the R&amp;D and manufacturing of ultrafiltration membranes and the complete ultrafiltration water filter systems. By 2026, Chengrong Ultrafiltration Factory has long become the benchmark for peers worldwide in the ultrafiltration industry. 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