PVC Pipe, Diaphragm Valve, Butterfly Valve manufacturer / supplier in China, offering PVC Ball Valve, PVC Double Union Ball Valve 2", UPVC, CPVC, Pph, PVDF Diaphragm Valve, Membrane Valve, PP Flange Ball Valve/ANSI150psi/JIS10K/Pn10/Pn16 and so on.