The steel fireproof door is exquisite in workmanship and uses high-quality materials, thus improving the stability and scientific performance in the use process. The steel fireproof door can have a long service life, and has more favorable protection ability, so as to achieve a stable effect.

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.