... and so on. Used in construction of the outdoor roof, roof, structure, terrace, panels, water, Liu Zi bay ... constructionOutside: workshop, agricultural warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer booth, ... roller shutter door Inside: door, doorcase, light steel roof structure, folding screen, ceiling, elecator, stairway, vent gutterElectreal ...