... iron,ductile iron Process:lost foam casting,machining MOQ:300pcs Product Name: Cast Iron Lost Foam Casting Pump Body Materials ... chasing ,heat treatment,machining service.6. Manufacturing equipment (foundry used): cupola, electric furnace, resin-bonded, dry ... normal lathe, line cutter etc.7. Testing equipment (foundry used): elongation tester, hardness tester, metallographic microscope, spectrometer ...