The excellent fireproof glass door is fired in a high temperature flame of more than 1000 degrees. After testing, it can be kept for 90 minutes or even longer. High strength is also one of the advantages of fireproof glass, which can be 6-12 times as strong as ordinary glass; It is 2-3 times that of tempered glass.

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.