... ConstructionOutsideWorkshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer ... boothInsideDoor, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutterElectrical ... the outlook of Yineng: the workshop:the honor: we can do corrugated sheet for the wall or roof.If ...