1 Cast iron pump parts 2 OEM service 3 Two foundries,one machining ... all the pump parts with various kinds of materials. Both pumps and complete pump can be supplied. Qingdao Xin Yang Machinery ... ProcessPrecision casting, Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel, Wear ...