... 2.Width 600-1250mm 3.surface galvanized Galvanized cold rolled steel coil DX51D, SGCC :Base material: DX51D+ ... : Protect film available2) APPLICATION OF OUR PREPAINTED STEEL ConstructionOutsideWorkshop, agricultural warehouse, residential precast unit, corrugated ... door, rainwater drainage pipe, retailer boothInsideDoor, doorcase, light steel roof structure, folding screen, elevator, stairway, vent ...