To ensure the design effect and aesthetic appearance, the BMU equipment of super high-rise building is now hidden in the internal equipment layer of the building. When the equipment is not in use, the curtain wall is closed to form a complete curtain wall facade. When the equipment needs to work, the curtain wall in this area needs to be opened to sufficient space to meet the working space of the BMU equipment. The curtain wall opening and closing system at this location is the BMU curtain wall opening and closing system.
