sheet metal box base 1.ISO9001-2008 2.customers' design or sample welcome. 3. ... .Processing:NCT Cutting, NC bending, Punching, seam welding etc.Finished: Powder coating, Zinc plating, Enamel, Polishing etc.Color:as per your ... .Processing:NCT Cutting, NC bending, Punching, seam welding etc.Finished: Powder coating, Zinc plating, Enamel, Polishing etc.Color:as per your ...