UL fireproof door can ensure the safety of personnel and property to a large extent within the time required by the standard. UL fireproof door can give consideration to thermal insulation, sound insulation, air tightness and other properties.

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.