... ,bending ,punching, welding 4.ISO 2008/14000 metal casting part1.) Material: SPCC metal stamping part Alternative CraftStamping ,deep drawing,bending ,punching, welding ... DesignHigh precisionasssemblig and high good quality control.Materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper,brass, bronze alloy ...