The steel fireproof door does not need to be painted, which saves cost, avoids paint pollution and is not easy to deform. The steel fireproof door has high hardness, good gloss, no deformation and anti-aging, and is a high-end luxury product.

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.