Round-the-corner hangar doors are widely used in small/medium-sized hangars, industrial and mining workshops, sports stadiums, underground garages and warehouses. The door moves along the side wall with a moving trace of 90 degree, and minimizes the space that requires. Round-the-corner hangar doors are built up by vertical panels which linked by hinges.

This door consists of door panels, top tracks, bottom tracks, sealing systems, drive systems and safety systems.