... and surface treatment. metal fabrication partWe supply metal welding part and products as per your drawings or samples.(1) ... steel, iron (SPCC, ,SECC, SPTE, tinplate), aluminum alloy,red copper, brass, bronze alloy, etc.(2)Surface:polishing, coating(e-coating ... powder coating, and immersion coating), and plating(chrome, nickel,copper, zinc electroplating).(3)Equipment: We own welding machine, stamping ...