CNC machining part 1,Material:steel, or as per customers' request ... steel,cast iron,pig iron,carbon steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on4.Process ... as your requirement or drawings8.surface treatment,polishing,machining,machining center,plating,HeatTreatment,ect.Welcome customer's specific Drawings ... business relation with you for long term, thank you. CNC machining part