American standard fireproof door, WH certificate based on UL standard; British standard fire door, WH (UK) certificate based on BS476 standard. Our American standard fireproof door has 20-180 minute certificate. British standard fire doors have 30 to 120 minute certificates. Fire doors can be made of steel, wood, stainless steel, etc. Welcome to consult us.

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.