YongJia XinDian Valve Co., Ltd founded in 2003. It is a professianal manufacture of wafer check valve. Our main products includ H76-Dual plates butterfly type swing wafer check valve, H71-Sing disc lifting type wafer check valve, H74-Single disc, swing wafer check valve. We supply body material: Wcb, ss304, ss316, Dimension Rate: DN15-1000mm.