What is the warranty period for the products?

All products are covered by a 12-month warranty. Factory quality inspection reports and photos are provided for reference.

Can the products be customized?

Yes, products can be customized according to drawings and membrane shells.

What is the lead time for delivery?

Both peak season and off-season lead times are within 15 working days.

Premium 400gpd Reverse Osmosis Membrane for Safe Drinking Water

Name: Premium 400gpd Reverse Osmosis Membrane for Safe Drinking Water
Brand: Hangzhou Haina Environmental Protection Tech Co., Ltd.
SKU: 2037866625

Zhejiang, ChinaHangzhou Haina Environmental Protection Tech Co., Ltd.

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

Available

Material

Activated Carbon

Application

Industry, Food and Beverage, Medicine, Textile, Metallurgy

Model NO.

Big Discount High Desalination Rate Reverse Osmosi

Type

Activated Carbon Filter

Filter Connector

222 Connector

Filtration Grade

ULPA Filter

Activated Carbon Filter Type

Compact

Gallons Per Day

Desalination Rejection Rate

95%

Testing Pressure

70psi

Nacl Solution

250 Ppm

Sample

Yes

NSF

Yes

RO Membrane Price RO Membrane HID Tfc-18

Membrane RO Domestic Vontron Membrane 75gpd RO for

Industrial Water Purifier System RO Wate

Domestic RO Membrane 80gpd Reverse Osmosis Water

RO Membrane Vontron 4040 Water Reverse O

Best Quality 600gpd Reverse Osmosis Membrane Water

RO Membrane Water Filter with Reverse O

4 Inch Industrial RO Membrane Vontron Membrane Ulp

Dring Water Purifier Reverse Osmosis Von

UF Membrane Housing 4040 for RO Water Purifier Om

8040 Reverse Osmosis Membrane Manufactur

China Seawater Membrane RO Membrane for S

Customize 3013 400g 500g 600g Household

97% Desalination 1812 2012 2812 3012 3013 Ulp Hous

Residential Membrane Elements/Household

Widely Used Quality 50g 75g Water Purifier Spare P

RO Reverse Osmosis Membrane Price

View Larger Image Add to Compareshare

Transport Package

25/PC 3.20*3.20*3.40(M)/PC

Specification

44mm*298mm 0.2KG

Trademark

HYNAMO

Origin

China

HS Code

8421991000

Production Capacity

300000/Month

Key features

High Desalination Rate: Achieves up to 97% salt rejection for superior water purification performance.

12-Month Warranty: All products covered by a 12-month warranty with factory quality inspection reports.

Customizable Specifications: Products can be customized according to customer drawings and membrane shells.

High Salt Water Technology: Advanced polyamide coating suitable for 3,000-6,000ppm household and 30,000-40,000ppm seawater.

Zero Complaint Guarantee: Maintains zero customer complaints on 3G and 4G products with replacement and freight coverage.

Factory Direct Manufacturing: Direct manufacturer with 18 years of industry experience and independent R&D capabilities.

Wide Application Range: Suitable for industry, food and beverage, medicine, textile, and metallurgy sectors.

Fast Lead Time: Peak and off-peak season lead times are both within 15 working days.

Company profile

Hangzhou Haina Environmental Protection Tech Co., Ltd.

Zhejiang, China

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?

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.

Q:How many employees does your company have?

HJC headquarters has more than ten people, 142 workers in the factory, and 16 office workers. We focus on being stronger rather than the biggest in the segmented high desalination market.

Q:What are the advantages of your company and products?

Our technical advantage lies in high desalination technology with a unique polyamide coating process. Household membranes work for 3,000-6,000ppm water, and seawater membranes for 30,000-40,000ppm.

Q:What are your guarantee terms for quality problems?

We maintain zero customer complaints on 3G and 4G products. If a quality problem is verified, we guarantee replacement and are responsible for freight costs.

Q:What is your minimum order quantity (MOQ)?

MOQ varies by model. Household membrane minimum is 100 units (two boxes), while industrial membrane minimum is five pieces. OEM orders have different requirements.