Coupling, Valve Parts, Pump Parts manufacturer / supplier in China, offering OEM High Precision Investment Casting Parts Stainless Steel 304 316 2205 2507 Pipe Fittings Tube, Customized Industrial Valve Parts of Stainless Steel/Ductile Iron/Carbon Steel by Lost Wax Casting, Industrial-Grade 42.4mm/1-1/4/DN32 Nylon/Stainless Steel 304 316 2205 2507 Flexible Coupling Customized Grooved Pipe Fittings and so on.