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Reverse Osmosis System Replacement Filters 1812 Csm Membrane Element 75 Gpd 100g 400g RO
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
TubularType
ROModel NO.
Reverse Osmosis System Replacement Filters 1812 CSGallons Per Day
50Desalination Rejection Rate
95%Testing Pressure
70psiNacl Solution
250 PpmSample
YesNSF
YesRO Membrane Price RO Membrane HID Tfc-18
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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
21 Years Manufacturing Experience: Professional manufacturer with 21 years in R&D and production of RO membranes.
High Desalination Technology: Advanced polyamide coating allows use in 3,000-6,000 ppm water quality for household use.
ULP Series Efficiency: Ultra-low pressure membranes operate at 2/3 conventional pressure with high flow and rejection.
12-Month Warranty Coverage: All products covered by 12-month warranty with free replacement for quality issues.
Global Strategic Partnerships: Deep cooperation with Fortune 500 companies in the US, Japan, and Korea.
Massive Production Capacity: Annual capacity of 15 million sqm diaphragms and 18 million household membrane elements.
Custom OEM/ODM Services: Supports OEM and ODM services with flexible customization options for various models.
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: ≤4.83h 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 cooperate with other factories using our technology. Haiana has an 18-year background in the RO membrane industry with independent R&D personnel and core technology in high salt water purification.
Q:What is your company's size and employee count?
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 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 the warranty and guarantee for quality problems?
A:
We maintain zero customer complaints on 3G and 4G products. If a quality problem occurs, we guarantee replacement and cover freight costs according to a reasonable verification process, adhering to our value of not letting customers lose money.
Q:What is the Minimum Order Quantity (MOQ)?
A:
MOQ varies by model. The minimum for household membranes is 100 units (two boxes), and for industrial membranes, it is five pieces. OEM orders may have different requirements.
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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