Our advantage

27+Practical patent

Global customization

Professional R&D team

Quality management control

Global sales


ZHEJIANG QIAI TUBING INDUSTRY CO., LTD. was established in 1996, as a famous

China plastic fittings manufacturer and PERT pipes factory

. Our main products include plastic fittings, PP-R pipes and fittings, aluminum pipes and fittings, PE-RT pipes and fittings, brass fittings, water and gas valves, stainless steel corrugated flexible gas hose, stainless steel flexible water hose, and so on.

QIAI is based on excellent management, relying on the perfect quality system. All the productions passed by ISO9001 international quality management system, certificated by CE. We are honored to gain the license of Special Equipment Manufacturing of Gas System.



30 years
industry experience




Sales country
and region

Application field

Our products are widely used

Floor heating
Floor heating
Fire pipeline
Water Pipe
Kitchen Room

News Center

Quality Never Goes Out Of Service

What is a plumbing brass fittings, and how does it function in a gas system?

Plumbing brass fittings are components made of brass, a corrosion-resistant alloy of copper and zi...

How does the design of a ball valve impact its ability to handle high-pressure gas applications?

The design of a ball valve plays a crucial role in determining its ability to handle high-pressure g...

Resistance to Corrosion ,Scale and Thermal Conductivity of PEX pipe fittings

Resistance to Corrosion: PEX pipe fittings are highly resistant to corrosion. Unlike metal pipes, ...

Material Composition of PEX pipe fittings

PEX (cross-linked polyethylene) pipe fittings are made from the same material as PEX pipes: cross-...

What is the importance of Stainless Steel Corrugaled Gas Tube in a plumbing system

Stainless Steel Corrugated Gas Tubes play a vital role in a plumbing system, especially in the cont...

How does a Female Hose Valve function, and in what situations is it typically installed?

A Female Hose Valve, also known as a hose bib or hose spigot, is a common plumbing fixture used to ...