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High-Performance 4040 and 8040 RO Membrane Filters for Pure Water2.
US$5.50
200-499 Pieces
US$5.35
500-999 Pieces
US$5.05
1,000+ Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Activated CarbonApplication
Industry, Food and Beverage, Medicine, Textile, MetallurgyModel NO.
Spare Parts Reverse Osmosis Water Purifier FilterType
Activated Carbon FilterFilter Connector
222 ConnectorFiltration Grade
ULPA FilterActivated Carbon Filter Type
CompactGallons 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 PTransport Package
25/PC 3.20*3.20*3.40(M)/PCSpecification
44mm*298mm 0.2KGTrademark
HYNAMOOrigin
ChinaHS Code
8421991000Production Capacity
300000/MonthKey features
17 Years Manufacturing Experience: Professional manufacturer with 17 years in R&D and production of RO membranes.
High Desalination Technology: Advanced polyamide coating allows use in 3,000-6,000 ppm household water.
Seawater Membrane Capability: Specialized membranes for 30,000-40,000 ppm seawater with cost advantages.
12-Month Warranty Coverage: All products covered by 12-month warranty with free replacement for defects.
Customization Support: Products can be customized according to customer drawings and membrane shells.
Large Production Capacity: Annual capacity of 15 million sqm diaphragms and 200,000 industrial elements.
Global Strategic Partnerships: Cooperation with Fortune 500 companies in the US, Japan, and Korea.
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: ≤5.11h 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:Are you a manufacturer or trading company?
A:
We are a manufacturer with our own factory and cooperate with other factories using our technology. We have an 18-year background in the reverse osmosis membrane industry with independent R&D personnel and core technology in high salt water purification.
Q:What is your MOQ?
A:
Our minimum order quantity varies by model. The minimum for household membrane is 100 (two boxes), and for industrial membrane, it is five pieces. OEM orders have different requirements.
Q:What are the advantages of your 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 work in 30,000-40,000 ppm environments with obvious cost advantages.
Q:What is your guarantee for quality problems?
A:
We maintain zero customer complaints on 3G and 4G products. If a quality problem occurs, we guarantee replacement and are responsible for freight according to a reasonable verification process.
Q:How many employees does your company have?
A:
HJC headquarters has more than ten people, 142 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.
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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