... , bronze, black, golden, silver, other multicolor)2) Electrophoresis3) Powder coating, PVDF, polishing, sand blasting, etc. Standard: GB/T5237-2004, Q/320281PDW01 ... , bronze, black, golden, silver, other multicolor)2) Electrophoresis3) Powder coating, PVDF, polishing, sand blasting, etc. Standard: GB/T5237-2004, Q/320281PDW01 ...