In addition to the functions of ordinary doors, UL fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of people. UL fire door is a fire compartment with certain fire resistance, which is set in fire compartment, evacuation staircase, vertical shaft, etc.

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.