... Standard(Q/BQB440-2003)Grade(e. G. TDC51D+Z) Weight of coating(if any special requirement, please ... doors, kiosks, shutters, guard partitions, door frames, light steel structure house, sliding doors, sceiling, bathrooms, interior elevator lobby ... retailer booth, roller shutter door Inside: door, doorcase, light steel roof structure, folding screen, ceiling, elecator, stairway, vent gutterElectreal ...