... part Quality garantee of 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: ... ISO 9001(OEM and custom Engineered Components Specialist)MaterialCarbon steel (Hot rolled ,cold rolled,strip steel ) stainless steel .etcProcessigstamping,bending ...