About Shanghai Dazhong Valve Co.,Ltd.
we are a professional manufaturers in valves (butterfly/ball/gate/globe、check/y-type stainer /water control valve /hydraulic control valve ). we're appoved with certificates of api6d... Read more
we are a professional manufaturers in valves (butterfly/ball/gate/globe、check/y-type stainer /water control valve /hydraulic control valve ). we're appoved with certificates of api6d... Read more