... manufacturer 5 fundry and machining factory Name: submersible water pump We can make all the pump parts with ... , Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special steel ... sets can be supplied.(5) Strong engineering team makes high quality(6) The coordinated service (casting, machining and surface ...