cnc metal precision part 1. Material:carbon steel,stainless,aluminum alloy 2.Finish:zinc plated,powder coat,e-coat, ... parts, elevator parts, machining parts, mouldsMaterialcarbon steel, stainless steel, aluminum alloy, copperProcedureCutting,stamping,punching,threading,bending,welding,grinding,machining,surface ... machine, hacksaw cutting machine, rolling machine and so on. cnc metal precision part