Manufacturer since 2009

OEM Water Filter
Manufacturer
in China

Direct factory supply of water filter cartridges, RO membranes, and complete reverse osmosis systems. Private label / OEM. Made-in-China Verified, NSF-certified raw materials. low MOQ, negotiable.

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XZH water filter products: cartridges, RO systems, membranes

16+

Years

100+

SKUs

30+

Countries

2026 new flagship line

Reverse Osmosis Systems — turnkey OEM

Three product lines under one roof — tank-based residential, tankless direct-flow, and commercial / industrial — covering 50 GPD up to 10 m³/h. Custom housings, logo, retail boxes and multi-language manuals. FOB from USD 35, MOQ 50 units.

4–5 stage integrated

≥ 95% salt rejection

Full OEM customisation

Explore RO systems

CERTIFICATIONS & TRUST

NSF-certified raw materials, Halal-compliant carbon and membranes

PP melt-blown filtration from 1 μm, coconut-shell GAC with iodine value ≥ 1000 mg/g, NSF-listed raw materials, Halal documentation available for activated carbon and RO membranes.

NSF

Raw materials

Halal

Certified

ISO

9001

CE

EU

MIC

Made-in-China
since 2010

16+ years on the market

low MOQ (per product)

25-35 days delivery

Multi-language support

INSIDE THE FACTORY

Real production in Ningbo, Zhejiang

Full cycle under one roof: housing molding, automated cartridge assembly, in-house QC lab, and our own export logistics team.

XZH manufacturing complex in Cixi, Ningbo, China — Manufacturing complex — Cixi, Ningbo

Automated cartridge assembly line at XZH factory — Cartridge assembly line

Filter housing injection molding workshop — Housing molding

XZH production equipment — Production equipment

In-house QC lab for filters and RO membranes — In-house QC lab

Container loading for export to Russia and CIS — Export shipping

100,000+

units produced per month

100+ SKUs

in active production

30+ countries

regular export markets

About the factory

WHAT WE BUILD

Product Categories

Complete water filtration manufacturing — from cartridges to finished RO systems. All products available with private label / OEM customization.

K-series quick-connect cartridges (Aquaphor compatible)

Filter Cartridges

PP, CTO, GAC, UF, RO membranes, mineralizers. Sizes 5", 8", 10", 11", 13".

100+ SKUs →

Residential reverse osmosis system by XZH

Reverse Osmosis Systems

5/6/7-stage residential RO with or without storage tank, 50-600 GPD.

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Tankless direct-flow RO under-counter installation

Tankless Direct-Flow RO

New 2026 — Pumpless, tankless RO. Aquaphor Morion alternative.

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Commercial water filtration systems (DSS, BSS, CHS)

Commercial Systems

For coffee shops, restaurants, ice machines. DSS/BSS/CHS/AHS series, 8-30 L/min.

Catalog →

All 8 catalog categories

Click to view details for each SKU group

Commercial · 13

WHY XZH

Why Choose XZH for OEM

Direct factory pricing, mature production, full documentation

Low MOQ

MOQ negotiable per product; from 50 pcs for RO systems. Start small, scale up.

Private Label / OEM

Your branding, packaging, manuals. Laser-engraved logo on housing.

Worldwide Shipping

Sea freight to all major ports. Air for urgent orders. EU, USA, Russia, Middle East customs experience.

Full Documentation

Made-in-China Verified, NSF-certified raw materials, food-contact documentation per material. Help with EAC for Russia.

In-house QC Lab

Burst pressure 2.8 MPa, leak test, filtration capacity verification. Reports per batch.

English Support

English-speaking sales team. WhatsApp, email, Skype, Zoom. Avg. response 2 hours.

Ready to discuss your project?

Send your inquiry — we'll respond within 24 hours with a detailed quote, samples, and lead time.

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