... 4.thickness:0.5-15 2012 Newest OEM copper stamping part 1process cutting,punching,bending,deburring,stamping,welding,pretreatment, ... assembling,etc 2materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass ... company.our products show: 2012 Newest OEM copper stamping part, CNC stamping