Stainless Steel Ball Valve, Butterfly Valve, Fitting manufacturer / supplier in China, offering Premium Stainless Steel 3PC Ball Valve with Extended Welding Connection, Durable Nodular Cast Iron Soft Seal Gate Valve for Water Pipeline, Durable Wenzhou 1/4''-4'' 150lb/300lb/Pn16/Pn40 Brass M/F Thread Ball Valve for Water/Oil/Gas and so on.