When the steel fire door is opened, the opening tension is less than 80N, and even people sitting in wheelchairs can easily open it. The steel fire door handle is set at a height of 70-110cm, which can be easily pushed and pulled by both adults and children.

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.