The appearance of the wooden fireproof door shall be complete and free from damage, and the surface shall be clean and smooth without plane marks, burrs and hammer marks. Wooden fire doors not only reduce production costs, but also achieve energy conservation and environmental protection, playing a role in protecting the environment.

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.