... metal parts If you are interested in our products, please kindly send us your detailed information such as drawing, specification, chemical composition and ... so on, we would like to provide you OEM service. 1.OEM service available 2.Materials: stainless steel,cast ... iron,carbon steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on 3.Process: lost wax process, soluble glass ...