... .ISO9001/14001 4.Manufacture Color coated steel coils1.SpecificationsPRODUCT Color coated steel sheet/ppgi/prepainted galvanized steel coilSTANDARD GB/T-12754 ... A-Z coated steel sheetSURFACE PAINT EP, PE, HDP, SMP, PVDFCOLOR SERIES RAL color number seriesSURFACE TYPE ... door, rainwater drainage pipe, retailer boothInsideDoor, doorcase, light steel roof structure, folding screen, elevator, stairway, vent ...