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High-Performance 4021 Reverse Osmosis Membrane for Pure Water
US$37.25
10-199 Pieces
US$36.00
200-299 Pieces
US$35.50
300-499 Pieces
US$34.00
500-999 Pieces
US$33.00
1,000+ Pieces
Sample price:US$35.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Poly-Amide Thin-Film CompositeApplication
Industry, Food and Beverage, Medicine, Home, Hotel, Commercial, IndustrialModel NO.
ro membrane BW4021 reverse osmosis membraneType
RO MembraneFilter Connector
Flat ConnectorMembrane Type
TubularGallons Per Day
GpdDesalination Rejection Rate
99.2%Testing Pressure
150psiSample
YespH Range
2~11Max Adapted Temperature
45℃Max Feed Water Tsd
2000TDSAfter-Sales Service Provided
Free Spare PartsWeight
15kgProduct Name
Water Treatment System Processing Reverse OsmosisAfter Warranty Service
Video Technical Support, Online Support, Spare PARTransport Package
Canton BoxTrademark
Hynamo/OEM/ODMOrigin
ChinaHS Code
8421991000Production Capacity
15000/MonthKey features
High Desalination Technology: Polyamide coating process enables effective treatment of 3,000-4,000 ppm household water and 30,000-40,000 ppm seawater.
Customizable Packaging: Package can be customized with your own logo, subject to MOQ discussion.
Comprehensive After-Sales: Free spare parts, video technical support, and online support provided.
Manufacturer Direct: Own factory with 262 workers and independent R&D, ensuring core technology control.
Fast Delivery Time: Standard delivery within 7 days, depending on order quantities.
Installation Guidance: Detailed illustrations provided, plus on-site worker training for use and maintenance.
Quality Guarantee: Replacement guarantee with freight responsibility for verified quality issues.
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: ≤4.77h 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 independent R&D personnel, mastering core technology in high salt water purification.
Q:What are the advantages of your products?
A:
Our polyamide coating process allows household membranes to treat 3,000-4,000 ppm water and seawater membranes to treat 30,000-40,000 ppm water with obvious cost advantages.
Q:What is your MOQ?
A:
MOQ varies by model: 200 pcs for household membranes and 50 pieces for industrial membranes. OEM orders have different requirements.
Q:What are your payment terms?
A:
TT and L/C are acceptable. Standard terms are 30% deposit before production and 70% balance against the copy of B/L.
Q:What is the delivery time?
A:
Usually within 7 days, depending on order quantities.
Send Inquiry
*To:Hangzhou Haina Environmental Protection Tech Co., Ltd.
Hangzhou Haina Environmental Protection Tech Co., Ltd.*Content:
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