Zhejiang Cotech Valve Co., Ltd Once named Zhejiang Qingtian Ketai Valve Co., td & Zhejiang Kotech Valve Co., td, We are famous for wafer check valve, dual plate wafer check valve is our feature prodcuts.

We can offer our customers the most excellent prodcuts and best sales services.

Prodcuts range from 2"-60" 150LB-2500LB with different materials.

Style covers sigle/double ( spilit and integiry syles are included. )disc wafer check valve to silent check valve.