The steel fireproof door leaf is filled with materials, which are fire insulation materials harmless to human body. The utility model relates to a door with a certain fire resistance, which is composed of fireproof hardware fittings. The advantages of steel fire doors make them occupy a large market share in public buildings.

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.