Huiya is a factory, not a middleman — so our support goes well beyond the catalogue. We provide complete plastic valve manufacturing services: we engineer and build to your exact requirements, label products under your brand, help you choose the right material before you buy, and ship worldwide direct from our plant in Zhejiang. Whatever your project needs around UPVC, CPVC, PPH and PVDF flow control, these four services cover it end to end.
Custom Manufacturing
Non-standard sizes, specific actuators, particular seals, different flange standards or your own configuration — built to spec, factory-direct, with an engineering review before you commit. Explore Custom Manufacturing →
Material Selection Service
Not sure which plastic survives your media? Send us your conditions and our engineers recommend the right material — free, and honestly, including when a cheaper option is enough. Use our Material Selection Service →
OEM & Private Label
Distributors, brand owners and project houses: we produce under your brand with custom logo, packaging and neutral documents — factory-direct cost, your name on the product. See OEM & Private Label →
Shipping & Delivery
Worldwide export from Tongxiang, Zhejiang, close to the ports of Shanghai and Ningbo — reliable schedules, export-grade packaging and full documentation. View Shipping & Delivery →
Why Work With Huiya
- Factory-direct — no trading-company markup
- Four engineering plastics (UPVC, CPVC, PPH, PVDF) under one roof
- 100% virgin resin, with a Material Test Report on request
- ANSI / DIN / JIS to suit any market
- Engineering support from material choice to delivery