Although the fireproof door lock is a small part, it plays an important role. In case of fire, the fire door lock has high temperature resistance. The fire door lock is connected to an intelligent system. In case of an accident, the fire door lock will make an emergency sound, so that people can be alert immediately to deal with the accident.

ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors,  BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.