Fire door refers to the door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke, prevent the spread of fire within a certain period of time, and ensure the evacuation of people.

ZHTdoors yong’inga qarshi eshiklar, yong’in eshiklari va derazalarida 31 yillik ishlab chiqarish tajribasi. Asosiy UL yong’in eshiklari, EN yong’in eshiklari, BS EN yong’in eshiklari va boshqalar.