... machining factory Name: submersible water pump We can make all the pump parts with various kinds of ... Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special ... → mould making →raw casting → sandblasting →rough machining or finish machining →surface treatment →product check→ packing →delivery strict ...