metal stamping part 1-Very high production ... meter lathes3.Material:Carbon steel(cold rolled steel sheet,galvanized steel sheet or tube),stainless steel,copper ,brass,aluminum,etc4 ... , threading,welding, tapping, rivetingMaterialAluminum, copper, brass, stainless steel, steel, iron, alloy, zinc etc.FinishPolishing; Anodize; SandingPowder coating ... , IPQC,FQC,QA stainless steel oem metal stamping part