... 1.2mm 2.Width 600-1250mm 3.surface galvanized Galvanized cold rolled steel coil DX51D, SGCC :Base material: DX51D ... per buyer’s color sample.Painting structureTop surfaceBottom surface Primer coatingNo coating1/0Primer coatingPrimer coating1/1Primer coating ... door, rainwater drainage pipe, retailer boothInsideDoor, doorcase, light steel roof structure, folding screen, elevator, stairway, vent ...