The steel fire door is formed by connecting the door frame and door leaf through hinges. The door shall be equipped with door closer and fire lock. The double door shall also be equipped with concealed bolt and aligner to prevent the overlap of the middle seam of the door leaf. The fire door leaf shall be equipped with glass, which shall have the same fire resistance limit as the door.

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.