... ; TS/IS016949-2009 Material: stainless steel, iron, aluminum alloy, red copper, brass ect SHEET METAL: Certificate: ISO9001-2003; TS/IS016949-2009 1 ... : stainless steel, iron (SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass, bronze alloy are available.(2) Metal processing: stamping, deep drawing ...