- 03
- Nov
Door Coordinator Fire Door
The fire door linkage door closer plays a large role. When the fire door is closed, the door closer will be directly activated, and the door closer can be directly closed, which can have a strong sealing effect and effectively isolate the fire source. And it is relatively tight.
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.