... part Quality garantee of ISO 9001 Material:aluminum,iron,steel,stainless steel,brass,copper etc. Metal ... aluminum,iron,steel,stainless steel,brass,copper etc.3)Process/treatment:cutting,stamping,perforating,bending,welding,plating ... ,cold rolled,strip steel ) stainless steel .etcProcessigstamping,bending ,welding ,threading ,frinding ,milling ,machining ,lathe ,assembing,etcPress5MT-200MTFinishanodizing ...