The performance of steel fire door meets the requirements of national standards. The fire resistance time of Class A fire door is 1.2h, and that of Class B fire door is 0.9h. The size can be customized according to customer needs.

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.