PVC Pipe, Diaphragm Valve, Butterfly Valve manufacturer / supplier in China, offering PP Diaphragm Valve, DIN/ANSI/JIS Flange Connection, Plastic, PVC, PP, PVDF Diaphragm Valve, Membrane Valve, PVC Diaphragm Valve, Flanged, Plastic Diaphragm Valve (G41F-6S) and so on.