We are electronic With a variety of operating functions such as remote control, electric, manual; Applicable form a complete set of fire prevention requirements, has the self-locking and anti-theft function; Modelling beautiful, safe and reliable, long life, easy installation and maintenance, small volume, light weight, power, etc, it is widely used in exhibition hall, hotels, shopping malls, stores and auxiliary, workshop, garage, warehouse, is ordinary door and fireproof door ideal accessory products