Fire doors can be installed with louvers for the purpose of heat dissipation and ventilation. Fire doors with louvers are generally installed in electrical rooms and transformer rooms. Welcome to consult us.

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.