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.

Iminyango yomlilo ye-ZHTdoors, iminyaka engu-31 yesipiliyoni sokukhiqiza eminyango yomlilo kanye neWindows. Iminyango yomlilo eyinhloko ye-UL, iminyango yomlilo ye-EN, iminyango yomlilo ye-BS EN, njll., Sine-certification.ZHTdoors isekela i-OEM kanye ne-design yamahhala.Izinzuzo zethu: ikhwalithi enhle, intengo yefekthri, isevisi enhle.Siyakwamukela ukuthi uxhumane nathi.