星之航 Xingzhihang Logo
Ningbo XZH
Filter Manufacturer
Independently
NSF
Certified
OEM factory · since 2009

Water Filter & RO System
OEM Manufacturer

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Products & Services

Filtration by Application

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Drinking Water Filters
Drinking Water Filters
Under-sink · faucet · inline
Commercial Water System
Commercial Water System
HoReCa · industrial
Sanitary Filter
Sanitary Filter
Shower · bathroom
Replacement Filter
Replacement Filter
PP · GAC · CTO · UF · RO
Best Sellers
I-type Quick-Connect

I-type Quick-Connect

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U-type Quick-Connect

U-type Quick-Connect

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Snap-on Cartridges

Snap-on Cartridges

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2026 new flagship line

Reverse Osmosis
Turnkey OEM

  • Residential · Tankless · Commercial
  • Full OEM customisation
  • From USD 35 · MOQ 50
Explore RO Systems
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
WHY XZH

Why Choose XZH for OEM

Direct factory pricing, mature production, full documentation

01

Low MOQ

From 50 pcs for RO systems. Start small, scale up.

02

Private Label / OEM

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

03

Worldwide Shipping

Sea freight to all major ports. EU, USA, Russia, Middle East.

04

Full Documentation

NSF-certified raw materials, food-contact docs. Help with EAC.

05

In-house QC Lab

Burst pressure 2.8 MPa, leak test. Reports per batch.

06

English Support

WhatsApp, email, Skype, Zoom. Avg. response 2 hours.

Water filtration system in a modern kitchen
16+
years of OEM experience

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

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