... ,punching, welding 4.ISO 2008/14000 metal casting part1.) Material: SPCC metal stamping part Alternative CraftStamping ,deep drawing,bending ... steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper,brass, bronze alloy are available.Surface ... enamel, hot-dip, and polishingEquipmentIncreasing large stamp machine and professional technology personCertificate Passed ISO9001:2008 ISO14000: ...