... 2008 4.material :Spcc/SECC/AL 2012 aluminium corner joints for furniture description:1process cutting,punching,bending,deburring, ... stamping,welding,pretreatment,assembling,etc 2materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy ... our company. our products show: 2012 aluminium corner joints for furniture