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

Standard 2.5" and 4" diameter elements
Industrial 8" diameter elements
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

ISO 9001:2015 – Certified quality management
NSF/ANSI Standard 61 – Component certification
CE Certification – Available on request
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.

161.DIEN WATER GROUP: Professional Water Purification Factory

163.DIEN WATER GROUP: Professional Household Water Filter Manufacturer