... 9001 Material:aluminum,iron,steel,stainless steel,brass,copper etc. Metal Stamping Product Features:1)OEM ... 2)Material:aluminum,iron,steel,stainless steel,brass,copper etc.3)Process/treatment:cutting,stamping,perforating,bending ... threading ,frinding ,milling ,machining ,lathe ,assembing,etcPress5MT-200MTFinishanodizing ,powder -coating,zinc-plated ,nickel plate, rusty oils,electrophoresis,etcBusiness ...