Butterfly Valve, Ball Valve, Check Valve manufacturer / supplier in China, offering Stainless Steel Concentric Flanged Butterfly Valve, PTFE Seat, BV Certified, Water Treatment Industry, Gear Operated Center Line Wafer/Lugged Butterfly Valve, Wcb Body, Bi-Directional Seal for Industrial Piping, Wafer Type Center Line Butterfly Valve, Cast Iron Body with EPDM Seat, Pn10/Pn16 for Water Supply & Drainage and so on.