- 01
- Nov
UL Certificated Fire Door
UL fireproof doors are used in North America and other countries and regions that have recognized UL standards, meeting the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. Different from other fire doors, American standard fire doors are obviously characterized by that American standard fire doors need to pass the fire water strike test.
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.