A fire door is a fire door that meets the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. Different from other fire doors, the obvious feature of UL fire doors is that UL fire doors need to pass the fire water hammer test. Welcome to consult us.

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.