1 Cast iron pump parts 2 OEM service 3 Two foundries, ... parts and other machinery parts manufacturing for 6 years, with two foundries and one machining factory, always supply good ... casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel, Wear-resistant steel,Aluminum, Copper, Bronze, etc.StandardAISI, ...