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High-Performance 400 Gallon Reverse Osmosis Membrane for Home Use
US$3.56
100-499 Pieces
US$3.45
500-2,999 Pieces
US$3.25
3,000+ Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableMembrane Type
SpiralType
ROModel NO.
Family use 400 Gallon RO membrane water filter revGallons Per Day
50Desalination Rejection Rate
95%Testing Pressure
70psiNacl Solution
250 PpmSample
YesNSF
YesRO Membrane Price RO Membrane HID Tfc-18
Membrane RO Domestic Vontron Membrane 75gpd RO forIndustrial Water Purifier System RO Wate
Domestic RO Membrane 80gpd Reverse Osmosis WaterRO Membrane Vontron 4040 Water Reverse O
Best Quality 600gpd Reverse Osmosis Membrane WaterRO Membrane Water Filter with Reverse O
4 Inch Industrial RO Membrane Vontron Membrane UlpDring Water Purifier Reverse Osmosis Von
UF Membrane Housing 4040 for RO Water Purifier Om8040 Reverse Osmosis Membrane Manufactur
China Seawater Membrane RO Membrane for SCustomize 3013 400g 500g 600g Household
97% Desalination 1812 2012 2812 3012 3013 Ulp HousResidential Membrane Elements/Household
Widely Used Quality 50g 75g Water Purifier Spare PRO Reverse Osmosis Membrane Price
View Larger Image Add to CompareshareTransport Package
25/PC 3.20*3.20*3.40(M)/PCSpecification
44mm*298mm 0.2KGTrademark
HYNAMOOrigin
ChinaHS Code
8421991000Production Capacity
300000/MonthKey features
20 Years R&D Experience: Professional manufacturer with 20 years in R&D, manufacturing, and service of RO and nanofiltration membranes.
Customization Support: Products can be customized according to drawings, water quality, usage scenarios, and size.
Wide Scene Adaptability: Suitable for households, gyms, hotels, and villas with customized whole-house water purification solutions.
Strong Anti-Pollution: Effectively filters bacteria and heavy metals, suitable for highly polluted water and brackish water sources.
High Cost-Effectiveness: Direct factory production with no middlemen markups, ensuring low costs and long service life.
Zero Customer Complaints: Maintains zero complaints on 3G and 4G products with guaranteed replacement and freight responsibility.
Advanced ULP Technology: Ultra-low pressure membranes achieve high flow and rejection at 2/3 conventional pressure for industrial use.
Company profile

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2005-04-10 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.62h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHangzhou Haina Environmental Protection Tech Co., Ltd. is a China-based manufacturer/factory specializing in water-treatment products, including RO membranes, RO systems, desalination, wastewater treatment equipment, filter cartridges, and membrane shells. It reports BSCI, ISO 9001, and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The supplier has exported since 2005, with exports accounting for 41%–50% of total sales and distribution partly through agents. Its stated capabilities include technical advice, customer-specific technical solutions, standardized management, and automated equipment improvements. However, the provided information does not establish documented after-sales performance, customer cases, or independently verifiable innovation outcomes.
Supplier typeThe supplier is identified as a manufacturer/factory and limited company located in Yuhang District, Hangzhou, Zhejiang, China. Its associated industry is manufacturing, and its stated business scope covers industrial equipment and processing machinery, including water-treatment products.
CertificationsThe supplier reports holding BSCI, ISO 9001, and ISO 14001 management-system certifications. These certifications provide explicit evidence of formal social-compliance, quality-management, and environmental-management systems, although certificate validity and scope are not provided.
R&D capabilityThe supplier reports 6–10 R&D engineers and states that it has pursued innovation, standardized management, and automated equipment transformation since 2013. These are explicit capability indicators, but no specific patented technologies, new products, or measurable innovation results are provided.
Production capacityThe supplier operates more than 10 production lines, employs 6–10 quality-control staff, and reports standardized management and automated equipment improvements. Its factory status and production infrastructure support substantial manufacturing capability, although actual capacity utilization and lead-time performance are not stated.
Customization capabilityThe supplier explicitly states that its technical team provides targeted professional advice and technical solutions for each customer, indicating an ability to address customer-specific technical requirements. The slices do not specify customization scope, engineering workflow, minimum order conditions, or examples of completed customized products.
Product Q&A
Q:Is your company a manufacturer or trading company?
A:
We are a manufacturer with our own factory and cooperation with other factories using our technology. Haiana has an 18-year background in the RO membrane industry with independent R&D personnel and core high salt water purification technology.
Q:How many employees does your company have?
A:
Haiana headquarters has more than ten people, 286 workers in the factory, and 16 office workers. We aim to be stronger rather than the biggest, maximizing product quality and service in the segmented high desalination market.
Q:What are the advantages of your company and products?
A:
Our technical advantage lies in high desalination technology with a unique polyamide coating process. Household membranes can handle 3,000-6,000 ppm water quality, and seawater membranes handle 30,000-40,000 ppm, offering obvious cost advantages.
Q:What is your guarantee if there is a quality problem?
A:
We maintain zero customer complaints on 3G and 4G products. Our first value is 'Do not let customers count one copper coin.' If a quality problem occurs, we guarantee replacement and are responsible for freight based on a reasonable verification process.
Q:What is your minimum order quantity (MOQ)?
A:
MOQ varies by model and OEM orders. The minimum for household membrane is 100 (two boxes), and for industrial membrane, it is five pieces. For industrial membranes for refueling household use, please contact us for more details.
Send Inquiry
*To:
Hangzhou Haina Environmental Protection Tech Co., Ltd.
Hangzhou Haina Environmental Protection Tech Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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