... The use of material involve many types,such as Stainless steel,Aluminum,Brass,Bronze.SGCC,SECC,SPCC,etc.If you ... , bending, punching, threading,welding, tapping, rivetingMaterialAluminum, copper, brass, stainless steel, steel, iron, alloy, zinc etc.FinishPolishing; Anodize; SandingPowder coating; Vacuum Plating ... and other countries and regions.InspectionIQC, IPQC,FQC,QA stainless steel punching part