... 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 ... 9001(OEM and custom Engineered Components Specialist)MaterialCarbon steel (Hot rolled ,cold rolled,strip steel ) stainless steel .etcProcessigstamping,bending ,welding ,threading ,frinding ,milling , ...