... ) Material: stainlessmetal craft steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, brass, bronze alloy are available.(2) Metal processing: stamping, ... deep drawing , spot or seam welding, spinning, metal assembly are available.metal craft (3) Surface finish : coating-plating, Zinc plating, enamel ... of OEM manufacturer for various kinds of sheet metal parts . metal craft metal craft