... mould design 4.Directly from stamping CNC steel sheet metal with zinc plated High quality control Competitive price Small / OEM ... steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass, bronze alloy are available.(2) Metal processing: stamping, deep drawing ... metal assembly are available.(3) Surface finish : coating-plating, Zinc plating, enamel, hot-dip, and polishing and so on.