- 01
- Nov
Aluminum Alloy Concealed Fire Rated Door Closer
The fire door closer can ensure that the door is closed to the initial position accurately and timely after being opened. The main purpose of the fire door closer is to make the door close automatically to limit the spread of fire and ventilation in the building.
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.