Do you provide warranty 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 according to our reasonable verification process.

What is your company size?

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

High-Performance 400 Gpd RO Membrane for Purified Water Systems

Name: High-Performance 400 Gpd RO Membrane for Purified Water Systems
Brand: Hangzhou Haina Environmental Protection Tech Co., Ltd.
SKU: 2032127555

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

US$3.50

200-499 Pieces

US$3.35

500-999 Pieces

US$3.05

1,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Membrane Type

Spiral

Type

Model NO.

RO spare parts 400 gpd ro membrane for water purif

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

17 Years Manufacturing Expertise: 17 years of R&D and manufacturing experience in RO and nanofiltration membrane elements.

High Desalination Technology: Advanced polyamide coating allows use in 3,000-6,000 ppm water quality for household membranes.

Seawater Membrane Capability: Specialized membranes effective for seawater environments with 30,000-40,000 ppm salt content.

ULP Series Efficiency: Ultra-low pressure series operates at 2/3 conventional pressure while maintaining high flow and rejection.

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

OEM/ODM Services: Professional OEM and ODM services available for custom water purification solutions.

Large Production Capacity: Annual capacity of 15 million square meters of diaphragms and 18 million household membrane elements.

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: ≤4.55h 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?

We are a manufacturer with our own factory and cooperate with other factories using our technology. Haiana has an 18-year background in the reverse osmosis membrane industry with independent R&D personnel and engineering, mastering core technology of high salt water purification.

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 can be applied to 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 MOQ?

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 is your lead time?

The average lead time is within 15 workdays for both peak season and off-season.

Q:What are your payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.