... ISO 9001 Material:aluminum,iron,steel,stainless steel,brass,copper etc. Metal Stamping Product Features:1) ... custom Engineered Components Specialist)MaterialCarbon steel (Hot rolled ,cold rolled,strip steel ) stainless steel .etcProcessigstamping,bending ,welding , ... rusty oils,electrophoresis,etcBusiness codebuilding ,furniture,electriccal ,machine,etcCertificateGS,ROHS,ISO 9000-2001Our products are ...