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 iingcango zomlilo, iminyaka eyi-31 yamava okuvelisa kwiingcango zomlilo kunye neWindows. Iingcango eziphambili zomlilo ze-UL, iingcango zomlilo ze-EN, iingcango zomlilo ze-BS EN, njl., Sine-certification.ZHTdoors ixhasa i-OEM kunye ne-design.Our yamahhala: umgangatho omhle, ixabiso lefektri, inkonzo enhle.Wamkelekile ukuba uqhagamshelane nathi.