Haizheng Laizhou Shandong Province China

Dongsheng Valve Corporation located in Laizhou Yantai city Shandong Province,is a manufacturer of high quality valves primarily for export products are mainly OEM products . Dongsheng valve founded th...

Shuangyuan Road, Chengyang

We are pleased to introduce our factory, Qingdao Haifa Valves Manufacturing Co., Ltd., as one of the main producers of valves from P.R. of China. We have already got the BS5163:2000/EN1074:2000 approv...