... ISO 9001 Material:aluminum,iron,steel,stainless steel,brass,copper etc. Metal Stamping Product Features:1)OEM service provided.2 ... )Material:aluminum,iron,steel,stainless steel,brass,copper etc.3)Process/treatment:cutting,stamping,perforating,bending,welding,plating, ... presses machines, CNC hydraulic, CNC bending presses,Automic lathes etc.6)Quality garantee of ISO 9001(OEM and custom Engineered ...