The steel fire door is very durable. In the actual use process, the steel door is not easy to be damaged by the outside, which can protect the internal materials. The steel door frame will not deform after long-term use, and the steel fire door will not have quality problems due to frequent opening and closing.

Mga pultahan sa sunog sa ZHTdoors, 31 ka tuig nga kasinatian sa produksiyon sa mga pultahan sa sunog ug Windows. Ang nag-unang UL fire doors, EN fire doors, BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.