... φ508mm—φ610mmBASE SHEET Cold rolled steel sheet, hot dipped zinc coated steel sheet (small, regular or zero spangle),hot ... dipped A-Z coated steel sheetSURFACE PAINT EP, PE ... door, rainwater drainage pipe, retailer boothInsideDoor, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutterELECTRICAL ...