On the basis of steel rolling shutter, the fire shutter door has been further transformed and equipped with fireproof equipment. The lifting and lowering of the fire shutter door is automatically controlled by the power supply to a certain extent, and in the event of a fire, the power supply is cut off, and the fire protection can be played in a timely manner by manually dropping it quickly.

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.