The main function of the fire shutter door is to prevent fire, and its fire resistance time can reach more than 3 hours, which means that in the 3 hours after the fire, the fire shutter door will maintain the integrity and heat insulation of the door body, which can be used for personnel. Favorable conditions for evacuation and fire rescue.

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.