The wind resistance of the glass fire door is no worse than other fire doors. The inner frame of the fire door is hollow, with strong wind pressure deformation resistance and good vibration resistance.

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.