What is the warranty period for the membrane?

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

Premium High-Efficiency 4040 RO Membrane for Brackish Water Systems

Name: Premium High-Efficiency 4040 RO Membrane for Brackish Water Systems
Brand: Hangzhou Haina Environmental Protection Tech Co., Ltd.
SKU: 2038964175

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

US$275.00

10-49 Pieces

US$265.00

50-99 Pieces

US$255.00

100+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Membrane Type

Tubular

Desalination Rejection Rate

99.2%

Model NO.

ULP21-4040 Industrial water filter RO Membrane rev

Gallons Per Day

2400

Active Membrane Area

87FT2

Testing Pressure

150psi

Sample

Yes

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Transport Package

1/PC 1.1*0.11*0.11(M)/PC

Specification

reverse osmosis system

Trademark

HYNAMO

Origin

China

HS Code

8421991000

Production Capacity

15000/Month

Key features

High Desalination Rate: Achieves up to 99.5% rejection rate for effective brackish water treatment.

Ultra Low Pressure Operation: Operates at 2/3 of conventional pressure, saving energy while maintaining high flow.

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

Proven Manufacturer: 17 years of R&D and manufacturing experience with core membrane technology.

Versatile Application: Suitable for surface water, groundwater, tap water, and industrial pure water systems.

Customization Support: ODM and OEM services available to meet specific client requirements.

Global Export Experience: Exported to many countries with strategic cooperation with Fortune 500 companies.

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: ≤7.21h 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 cooperation with other factories using our technology. We have an 18-year background in the reverse osmosis membrane industry with independent R&D personnel and core technology for high salt water purification.

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

MOQ varies by model. For household membranes, the minimum is 100 units (two boxes). For industrial membranes, the minimum is five pieces. OEM orders may have different requirements.

Q:What are your quality guarantee terms?

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

Q:What are the advantages of your products?

Our technical advantage lies in high desalination technology and a unique polyamide coating process. Household membranes can handle 3,000-6,000 ppm water quality, and seawater membranes can handle 30,000-40,000 ppm, offering significant cost advantages.

Q:What is the lead time for orders?

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