Do you provide after-sales service and warranty?

Yes, we provide after-sales service. If a quality problem is verified, we guarantee replacement and cover the freight costs according to our reasonable verification process.

Premium 4021 4040 Reverse Osmosis Membrane for Water Purification

Name: Premium 4021 4040 Reverse Osmosis Membrane for Water Purification
Brand: Hangzhou Haina Environmental Protection Tech Co., Ltd.
SKU: 2032078615

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

US$65.00

20-49 Pieces

US$60.00

50-99 Pieces

US$55.00

100+ Pieces

Sample price:US$65.00/piece.Request sample

Product profile

Customization

Available

Material

RO Membrane

Application

Industry, Food and Beverage, Medicine, Textile, Metallurgy, Water Treatment

Model NO.

Fouling Resistant Membrane 8040 BW Industrial Wate

Type

RO Membrane

Filter Connector

RO Membrane

Filtration Grade

RO Membrane

Activated Carbon Filter Type

RO Membrane

Usage

Industrial, Home, Agriculture, Hospital, Seawater Desalination

After-Sales Service

Provided

Warranty

Provided

Method

RO Membrane

Desalination Rejection Rate

99.8%

Gallons Per Day

270-2000

Active Membrane Area

87FT2

Testing Pressure

800psi

Sample

Yes

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Water Treatment

Seawater Desalination Reverse Osmosis Membrane SMA

Transport Package

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

Specification

reverse osmosis system

Trademark

HYNAMO/OEM

Origin

China

HS Code

8421991000

Production Capacity

15000/Month

Key features

High Desalination Efficiency: SW-4040-HR achieves 99.8% salt rejection rate for seawater desalination applications.

Customized Solutions: OEM and ODM services available with customized usage for industrial, home, and agriculture sectors.

Low Pressure Options: Ultra-low pressure models available, reducing energy consumption while maintaining high flow.

Technical Expertise: Over 90 patented technologies and 20 years of R&D experience in membrane manufacturing.

Wide Application Range: Suitable for industry, food & beverage, medicine, textile, metallurgy, and water treatment.

High Production Capacity: Annual output of 200,000 industrial membrane elements and 18 million household units.

Quality Guarantee: Zero customer complaints on 3G/4G products; free replacement for verified quality issues.

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: ≤5.54h 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. We have an 18-year background in the reverse osmosis membrane industry with independent R&D personnel and master core high salt water purification technology.

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 handle 3,000-6,000 ppm water quality, and seawater membranes work in 30,000-40,000 ppm environments, offering significant cost advantages.

Q:What is your MOQ (Minimum Order Quantity)?

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.

Q:What is your lead time for production?

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

Q:What payment terms do you accept?

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