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High-Performance 50g and 75g RO Membrane for Home Water Filtration
US$2.59
100-499 Pieces
US$2.55
500-999 Pieces
US$2.49
1,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableMaterial
PaperApplication
Industry, Food and Beverage, Medicine, Textile, MetallurgyModel NO.
1812-50, 1812-75Type
Wound FilterFilter Connector
Flat ConnectorFiltration Grade
Medium FilterActivated Carbon Filter Type
Bulk TypeFlow Rate (Gpd)
50Stable Rejection Rate
96%Test Temperature
25 DegreeTest Pressure Difference (Psi)
90psi(0.62MPa)Test Solution Concentration Nacl
2000ppmRecovery Rate
50%Sample
YesProduct Name
Water FilterProduct a
Water PurifierProduct B
Reverse Osmosis SystemProduct C
Water TreatmentProduct D
RO SystemProduct E
Household RO MembraneProduct F
Domestic RO MembraneProduct G
Water TreatmentTransport Package
CartonSpecification
1812-50Trademark
HYNAMOOrigin
ChinaHS Code
8421991000Production Capacity
30000/MonthKey features
12-Month Warranty Coverage: All products covered by 12-month warranty with factory quality inspection reports provided.
High Desalination Technology: Polyamide coating process allows application in 3,000-6,000ppm household and 30,000-40,000ppm seawater.
Stable Rejection Rate: Achieves up to 99.5% rejection rate with stable permeate flow across various models.
Customizable Packaging: Package supports custom logo printing with negotiable MOQ for specific orders.
Fast Delivery Time: Standard delivery within 7 days, subject to order quantity.
Installation Support: Provides detailed illustrations and on-site worker guidance for installation and maintenance.
Quality Guarantee Terms: Zero customer complaint target; guarantees replacement and freight 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: ≤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:Is your company a manufacturer or trading company?
A:
Yes, we are a manufacturer with our own factory and cooperation with other factories. Haiana has 18 years of background in the reverse osmosis membrane industry with independent R&D personnel and engineering, mastering core technology of high salt water purification.
Q:How many employees does your company have?
A:
Hynamo headquarters has more than ten people, 142 workers in the factory and 26 office workers. We are still not a big company, and our goal is not to be the biggest but to be stronger. In the segmented high desalination market, the product quality and service are maximized.
Q:What are the advantages of your company and products?
A:
Hynamo technical advantage lies in the high desalination technology, and the process of coating polyamide is different from its counterparts. Therefore, in the use of household membranes, according to market feedback, it can be applied to 3,000-6,000 ppm water quality. Seawater membrane can be applied in the environment of 30,000-40,000ppm, and the cost advantage is very obvious.
Q:If there is a quality problem, what are your guarantee terms?
A:
At present, we maintain zero customer complaints on our products. Please note that the first item of our company's values: Do not let customers count one copper coin. If there is a quality problem, we will guarantee the replacement and be responsible for the freight on the way according to a reasonable quality problem verification process.
Q:What is your MOQ?
A:
Our minimum order quantity varies from model to model. There are also differences in OEM orders. The minimum order for the household membrane is 200 pcs, and the minimum for the industrial membrane is 50 pieces. 500pcs domestic or 50 industrial ro membrane, we will provide FOB and custom service.
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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