DIEN WATER GROUP: Professional Household Water Filter Manufacturer

Meta Title: Household Water Filter Manufacturer | DIEN WATER GROUP | Home Filtration Systems
Meta Description: DIEN WATER GROUP is a leading household water filter manufacturer in China. We produce home filtration systems, replacement cartridges, and components. NSF/ISO certified. Global exporter.

Who We Are

DIEN WATER GROUP is a specialized household water filter manufacturer based in China, dedicated to producing high-quality residential water filtration products for global markets. We serve clients across North America, Europe, Southeast Asia, the Middle East, and Africa.

As a true manufacturer, we maintain direct control over design, production, quality testing, and logistics from our facility in China.

Our Household Water Filter Product Portfolio

Complete Home Filtration Systems

Product	Description	Applications
Under-Sink RO Systems	3-5 stage reverse osmosis; 50-100 GPD	Drinking water, cooking
Countertop Water Filters	Compact designs, no installation required	Rental properties, small kitchens
Whole House Filters	10" to 20" big blue housings	Sediment, chlorine reduction for entire home
Faucet-Mount Filters	Direct-attach to standard faucets	Affordable drinking water
Water Softeners	Small residential softeners	Scale prevention, better soap lather

Replacement Cartridges

Category	Products
Sediment Filters	PP melt-blown, wound, pleated; 1-100 micron
Carbon Filters	CTO, GAC, carbon block; chlorine and taste/odor removal
RO Membranes	50, 75, 100 GPD standard and TFC membranes
Post-Filters	Inline carbon for final polishing
Alkaline Filters	Mineral addition for pH balance
UV Cartridges	Replacement UV lamps and sleeves

Filter Housings and Components

Product	Description
10" Standard Housings	Clear or blue; polypropylene construction
Big Blue Housings	20" high-flow for whole house systems
Faucets	Air-gap and non-air-gap designs
Tubing and Fittings	John Guest-style quick-connect
Storage Tanks	2-4 gallon pressurized tanks
Manifolds	Integrated push-fit systems

Manufacturing Capabilities

As a dedicated household water filter manufacturer, we offer:

Capability	Details
Injection Molding	In-house production of housings and components
Cartridge Assembly	Automated and manual assembly lines
Carbon Processing	Custom carbon blends and impregnation
RO Element Winding	Small-diameter membrane production
Quality Testing	Pressure testing, flow testing, leak checks
Private Labeling	Custom branding and packaging available
Packaging	Retail-ready boxes or bulk export packaging

Quality Certifications

ISO 9001:2015 – Certified quality management
NSF/ANSI Standard 42 – Aesthetic effects (chlorine, taste, odor)
NSF/ANSI Standard 53 – Health effects (cyst, VOC reduction)
NSF/ANSI Standard 58 – Reverse osmosis systems
CE Certification – Available on request
FDA Compliance – Food-grade materials

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