161.DIEN WATER GROUP: Professional Water Purification Factory
2026年3月12日163.DIEN WATER GROUP: Professional Household Water Filter Manufacturer
2026年3月12日DIEN WATER GROUP: Professional Membrane Filter Manufacturer
Meta Title: Membrane Filter Manufacturer | DIEN WATER GROUP | RO & UF Membranes
Meta Description: DIEN WATER GROUP is a leading membrane filter manufacturer in China. We produce RO membranes, UF membranes, and membrane housings. NSF/ISO certified. Global exporter.
Who We Are
DIEN WATER GROUP is a specialized membrane filter manufacturer based in China, dedicated to producing high-quality membrane separation products for water treatment applications worldwide. We serve clients across North America, Europe, Southeast Asia, the Middle East, and Africa.
As a true manufacturer, we maintain direct control over membrane sourcing, element winding, quality testing, and logistics from our facility in China.
Our Membrane Filter Product Portfolio
Reverse Osmosis (RO) Membranes
| Type | Description | Applications |
|---|---|---|
| Tap Water RO (TWRO) | Low-pressure membranes for municipal water | Drinking water, commercial systems |
| Brackish Water RO (BWRO) | High-rejection membranes for brackish water | Industrial process water, boiler feed |
| Seawater RO (SWRO) | Ultra-high pressure membranes for desalination | Seawater desalination, coastal facilities |
| Low-Energy RO | Reduced operating pressure for energy savings | Commercial and light industrial |
Ultrafiltration (UF) Membranes
| Type | Description | Applications |
|---|---|---|
| Hollow-Fiber UF | Outside-in or inside-out configurations | Pretreatment for RO, surface water treatment |
| UF Membrane Modules | Industrial-scale modules | Wastewater treatment, MBR systems |
| UF Cartridges | Compact designs | Point-of-use, small commercial |
Membrane Housings and Vessels
| Product | Description |
|---|---|
| FRP Membrane Housings | Corrosion-resistant fiberglass; 1-8 element configurations |
| Stainless Steel Housings | 304/316 SS for high-pressure and sanitary applications |
| UF Membrane Housings | Custom configurations for UF modules |
Replacement Membrane Elements
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Standard 2.5" and 4" diameter elements
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Industrial 8" diameter elements
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Custom sizes available on request
-
Spacer and flow configuration options
Manufacturing Capabilities
As a dedicated membrane filter manufacturer, we offer:
| Capability | Details |
|---|---|
| Element Winding | Precision winding for consistent performance |
| Membrane Sourcing | High-quality polyamide and PES membrane sheets |
| Quality Testing | Individual element testing for rejection and flow |
| Housing Fabrication | FRP winding and SS vessel manufacturing |
| Custom Configurations | Special lengths, diameters, and connectors |
| Packaging | Export-standard protection for safe transport |
Quality Certifications
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ISO 9001:2015 – Certified quality management
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NSF/ANSI Standard 61 – Component certification
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CE Certification – Available on request
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FDA Compliance – Food-grade materials available
Why Choose DIEN WATER GROUP?
| Advantage | Benefit |
|---|---|
| True Manufacturer | Direct pricing; complete quality control |
| Full Range | RO, UF, and housings from one source |
| Technical Support | Membrane selection based on feed water chemistry |
| Global Experience | Worldwide shipping with full documentation |
| Custom Solutions | Special configurations for unique applications |
| Competitive Pricing | Factory-direct without middlemen |
Applications
| Sector | Membrane Type |
|---|---|
| Drinking Water | TWRO, low-energy RO, UF pretreatment |
| Industrial Process | BWRO, UF |
| Desalination | SWRO |
| Wastewater Reuse | UF, MBR membranes |
| Food & Beverage | Sanitary RO, UF for clarification |
| Pharmaceutical | High-purity RO |
| Electronics | RO + EDI pretreatment |
Contact Us
Looking for a reliable membrane filter manufacturer? DIEN WATER GROUP is your trusted partner.
Contact us today for specifications, pricing, and logistics information.

