I am a small business owner, can I buy from you?

Yes, we warmly welcome you. Growing together with our customers is our goal. We are willing to grow together with you.

What is your general delivery time?

Usually 5-7 working days for spot samples and 20-25 days for mass production.

How should I pay you?

We strongly recommend the trade assurance service on MIC platform. T/T, L/C, Western Union, Money Gram, etc. are all acceptable.

What certificates do you have?

Our factory is ISO 9001 certified.

How should I place an order?

You can directly choose RTS products to place an order, or you can click 'Send Inquiry' or 'Contact Supplier', and then our sales engineers will recommend suitable products for you to choose and provide some information for your choice. Valuable advice.

Sw-2521 High-Efficiency Seawater Desalination RO Membrane

Name: Sw-2521 High-Efficiency Seawater Desalination RO Membrane
Brand: Changsha Pasteur Environmental Protection Technology Co., Ltd
SKU: 2117282145

Hunan, ChinaChangsha Pasteur Environmental Protection Technology Co., Ltd

US$56.68-258.86

10 Pieces

Sample price:US$56.68/piece.Request sample

Product profile

Customization

Available

Membrane Type

Spiral

Type

Model NO.

BSD-RO-2521

Stable Desalting Rate%

Minimum Desalting Rate%

Gpd (L/D)

380(300)-11000(41000)

FT²(M²)

13(1.2)- 400(37)

Testing Pressure

100psi(0.7MPa) -225psi(1.5MPa)

Test Liquid Temperature

25℃

Test Solution Concentration (Nacl)

2000ppm

pH Value

6.5-7.5

Recovery Rate of Single Membrane Element

15%

Maximum Operating Pressure

600psi(2.0MPa)

Maximum Inlet Water Temperature

45℃

Maximum Influent SDI

Free Chlorine Concentration in Influent

<0.1 Ppm

pH. Range of Influent During Continuous

3-10

pH Range of Inlet Water During Chemical

2-12

Transport Package

Carton

Specification

BSD-RO-4040

Trademark

Pasteur

Origin

China

HS Code

842199100

Production Capacity

5000pieces/Month

Key features

High Desalination Rate: Stable desalination rate up to 99.3% with minimum 98% efficiency for pure water output.

Energy Efficient Design: Saves significant energy compared to traditional methods without requiring high temperatures.

Durable Construction: High glue joint diaphragm and O-ring seal resist chemical and biological degradation.

Waterproof Hammer End: Unique design prevents membrane damage from sudden high-pressure pump starts.

Wide Application Range: Suitable for seawater, brackish water, industrial pure water, and wastewater treatment.

Certified Quality: Factory is ISO 9001 certified with CE and SGS product certifications.

Customization Support: OEM services available; logo and packaging style can be fully customized.

Flexible Ordering: MOQ is 100 pieces/item; trial orders below MOQ are warmly welcomed.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Fast Delivery100% Finished Products Inspection

Changsha Pasteur Environmental Protection Technology Co., Ltd

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Full Customization CertifiedExport Year: 1 Year CertifiedNearest Port: Shenzhen Port; Fangchenggang PortAverage Response Time: ≤4.27h

AI-Powered supplier vetting

SummaryThe supplier operates in composite reverse osmosis membranes, water treatment agents, consumables, and water treatment equipment. It reports CE and SGS certifications, OEM and ODM services, four production lines, 11–20 quality-control staff, and stated output for water filters, treatment systems, RO systems, desalination systems, and RO membranes. Export sales represent 71%–90% of total sales, with Southeast Asia, the Middle East, and domestic markets identified. However, the supplier has no overseas agents, branches, warehouses, or showrooms, has not participated in offline trade shows, and reports no new products during the past year or available SDK. Its stated financial figures are all zero for the two reported periods, while manufacturing-contract validity, formal service procedures, and an approved-supplier list are absent.

Supplier typeThe supplier is a manufacturer and seller of composite RO membranes, water-treatment equipment, consumables, and related environmentally friendly equipment. Its four production lines and listed production output support a manufacturing classification, while export sales of 71%–90% indicate substantial international business activity.

CertificationsThe supplier explicitly states that its products have passed CE and SGS certifications and that it maintains strict quality control. The slices do not provide certificate numbers, scopes, or validity dates, but they do provide direct evidence of certification claims.

Financial creditThe reported operating revenue, operating cost, gross profit, and operating profit are all zero for both stated reporting periods. These figures provide no positive evidence of operating financial strength and raise a material credibility concern, although the slices do not explain whether the entries reflect inactivity, missing data, or reporting convention.

R&D capabilityThe supplier claims continuous improvement and adoption of advanced equipment and technology, and it offers ODM services. Nevertheless, it reports no new products in the past year, no SDK availability, and only one year of total R&D-engineer experience, so current innovation capability is not demonstrated strongly.

Production capacityThe supplier reports four production lines, 11–20 quality-control staff, specified output across water-treatment products, in-stock capability, and one-month average lead times in both peak and off-season. However, it lacks a valid manufacturing-capacity contract with related subcontractors, and finished products are checked by packing staff, indicating limitations in documented production-control assurance.

Customization capabilityThe supplier explicitly provides OEM and ODM services and reports full customization capability for design services. It does not provide OEM services for popular brands, but the broader evidence supports customization for customer requirements.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a professional manufacturer of various filtration equipment, filtration consumables, filter elements, filter bags and filter cloths.

Q:Can I have samples?

Yes, the sample fee can be refunded if you place a formal order in the future.

Q:Can you make customized products?

Yes, you are required to provide drawings or samples.

Q:Can I use the package we designed ourselves?

Yes, both the logo and packaging style can be customized.

Q:What is your MOQ?

Normally, 100 pieces/item. Any trial order below MOQ is warmly welcomed. If you have a trial order, please feel free to contact us so that we can make some shipping suggestions for you based on the quantity you need to save costs.