The curtain surface of the fire shutter can be lifted by the transmission device and the control system. It plays the role of fire prevention and isolation, and the product has smooth and beautiful appearance, novel shape and strong rigidity. Fire shutter doors are widely used in fire zones of industrial and civil buildings, which can effectively prevent the fire from spreading and ensure the safety of life and property. They are indispensable fire prevention facilities in modern buildings. It is a movable fireproof partition, which is generally made of metal plates such as steel plates and consists of buckles or hinges. Generally, it is rolled in the rotating shaft box at the top of doors and windows, and it is put down when it catches fire to prevent the fire from spreading from doors and windows. Fire shutter is an essential facility for fire prevention in modern buildings, which has been included in the national code for fire protection design of buildings and other buildings. The main types are vertical steel fire shutter, lateral steel fire shutter and horizontal steel fire shutter. Widely used in high-end hotels, restaurants, libraries, theaters, shopping malls, stations, underground projects and factories, warehouses, garages and other buildings. Fire shutter is divided into ordinary type and compound type according to the type of shutter. The common type has many functions such as fire prevention, smoke prevention, wind prevention, rain prevention and theft prevention. The compound type has the same function as the ordinary type, but it does not need water curtain protection, and is especially suitable for drought, water shortage and water avoidance places.