The steel fireproof door is a door made of steel materials. The door leaf is filled with environment-friendly flame retardant and thermal insulation materials that are harmless to human body, and the door is composed of fireproof hardware fittings. In addition, the junction of the door leaf and the door frame and the periphery of the fireproof glass are sealed with fireproof sealing treatment, which greatly increases the fire resistance of the fireproof door.

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.