UL steel fireproof door is composed of steel frame and steel door leaf. The steel structure can ensure that it is not easily deformed by impact and damaged by external forces, and can be used normally for a long time. On the premise of ensuring the fire protection effect, the steel fire door has the characteristics of environmental protection and durability.

ZHTdoors milango ya moto, miaka 31 ya uzoefu wa uzalishaji katika milango ya moto na Windows. Milango kuu ya moto ya UL, milango ya moto ya EN, milango ya moto ya BS EN, nk., Tuna certification.ZHTdoors msaada OEM na bure design.Our faida: ubora mzuri, bei ya kiwanda, huduma nzuri.Karibu kushauriana nasi.