# SHKRO > SHKRO is a manufacturer of RO membrane sheets, RO membrane elements and water purification components in Shanghai, China — supplying home and commercial RO purifiers, filter cartridges, housings and UV sterilizers to distributors, importers and OEM partners since 2016. ## About SHKRO has manufactured water purification products in Shanghai, China since 2016. Production covers automated roll-to-roll membrane casting, in-house spacer and sheet production, and final assembly. Every membrane element is pressure- and rejection-tested before dispatch. The company serves distributors, wholesalers, importers and OEM/private-label brand owners in residential, commercial and industrial water treatment. ## Contact - Website: https://shkro.top/ - Email: shgreatunity3@gmail.com - WhatsApp / Phone: +86 18001788404 - Location: Shanghai, China - Business hours: Monday–Saturday, 9:00 AM – 7:00 PM (China time) ## Product categories - [Home RO Purifiers](https://shkro.top/#products): Wall-mount, under-sink and cabinet RO drinking-water purifiers, 50–400 GPD. (21 models) - [Dispenser Purifiers](https://shkro.top/#products): Freestanding dispenser purifiers with hot, warm and cold water outlets. (4 models) - [Commercial RO Systems](https://shkro.top/#products): Larger-capacity RO systems for offices, schools, restaurants and light industry. (6 models) - [Filter Housings](https://shkro.top/#products): Single and multi-stage filter housings in 10" and 20" formats. (11 models) - [Faucets & Housing Sets](https://shkro.top/#products): Drinking-water faucets and housing sets for RO installations. (14 models) - [RO Membrane Elements](https://shkro.top/#products): RO membrane elements from 50 GPD domestic up to 4040 commercial sizes. (9 models) - [Filter Cartridges](https://shkro.top/#products): PP, CTO, GAC and UDF filter cartridges for pre- and post-filtration stages. (5 models) - [T33 Inline Cartridges](https://shkro.top/#products): T33 inline post-filtration cartridges for taste and odour polishing. (17 models) - [Quick-Fitting Cartridges](https://shkro.top/#products): Quick-connect fittings, tubing and connectors for RO water lines. (18 models) - [UV Sterilizers](https://shkro.top/#products): Inline UV sterilizers for microbiological control after the membrane stage. (8 models) - [TDS & pH Meters](https://shkro.top/#products): TDS and pH test meters for measuring water quality at the point of use. (6 models) ## Key pages - [Home & full product catalogue](https://shkro.top/): All 119 models with specifications, filterable by category. - [Request a quote](https://shkro.top/#contact): Send model numbers and quantities for factory-direct pricing, samples and OEM/private-label enquiries. ## RO membrane elements - [1812-50G](https://shkro.top/product/1812-50G): RO Membrane Element 1812-50G - [1812-75G](https://shkro.top/product/1812-75G): RO Membrane Element 1812-75G - [2012-100G](https://shkro.top/product/2012-100G): RO Membrane Element 2012-100G - [2012-150G](https://shkro.top/product/2012-150G): RO Membrane Element 2012-150G - [2812-200G](https://shkro.top/product/2812-200G): RO Membrane Element 2812-200G - [3012-300G](https://shkro.top/product/3012-300G): RO Membrane Element 3012-300G - [3012-400G](https://shkro.top/product/3012-400G): RO Membrane Element 3012-400G - [3013-400G](https://shkro.top/product/3013-400G): RO Membrane Element 3013-400G - [4040](https://shkro.top/product/4040): 4040 Commercial RO Membrane Element ## Frequently asked questions ### What does SHKRO manufacture? SHKRO manufactures RO membrane sheets, RO membrane elements, home and commercial RO water purifiers, filter cartridges, filter housings, drinking-water faucets, quick-connect fittings, UV sterilizers and TDS/pH meters. Production, including automated roll-to-roll membrane casting, spacer and sheet production, and final assembly, takes place in-house in Shanghai, China. ### What RO membrane element sizes does SHKRO supply? SHKRO supplies RO membrane elements in 1812-50G, 1812-75G, 2012-100G, 2012-150G, 2812-200G, 3012-300G, 3012-400G and 3013-400G domestic sizes, plus 4040 commercial membrane elements for larger systems. All of them are listed with full specifications in the online catalogue. ### Are SHKRO membranes tested before shipping? Yes. Every membrane passes 100% pressure and rejection testing before dispatch, and production uses automated roll-to-roll membrane casting so that performance stays consistent between batches. ### Does SHKRO offer OEM and private-label manufacturing? Yes. SHKRO offers OEM and private-label production for distributors, importers and brand owners, including custom logos, colour-box packaging, your own model numbering and specification sheets in your language. Samples can be supplied before a bulk order, and MOQ is flexible for new markets. ### Where is SHKRO based and who does it serve? SHKRO is based in Shanghai, China and has been manufacturing since 2016. It serves distributors, wholesalers, importers and OEM partners worldwide, covering residential, commercial and industrial water purification applications. ### Which product categories does SHKRO cover? Eleven categories: home RO purifiers, dispenser purifiers, commercial RO systems, filter housings, faucets and housing sets, RO membrane elements, filter cartridges, T33 inline cartridges, quick-fitting cartridges, UV sterilizers, and TDS and pH meters. ### What is the minimum order quantity? MOQ depends on the product line and your market. SHKRO keeps MOQ flexible for new markets and new distributors — contact the sales team with the models and quantities you need and they will confirm terms. ### How do I request a quote, a sample or a specification sheet? Send the model numbers and quantities to shgreatunity3@gmail.com, message the WhatsApp number +86 18001788404, or use the chat button on the website. SHKRO replies Monday to Saturday, 9:00 AM to 7:00 PM China time. ## Optional - [Full model list (all 119 products)](https://shkro.top/llms-full.txt) - [robots.txt](https://shkro.top/robots.txt) - [Sitemap](https://shkro.top/sitemap.xml)