The steel fireproof door is a door frame, door leaf frame and door leaf panel made of steel materials. The door leaf is filled with fire and heat insulation materials that are harmless to human body. The steel fireproof door structure can ensure that it is not easily deformed by impact and damaged by external force, and can be used normally for a long time without replacement.

ZHTdoors menyako ea mollo, lilemo tse 31 tsa boiphihlelo ba tlhahiso menyakong ea mollo le Windows. Menyako e ka sehloohong ea mollo oa UL, mamati a mollo oa EN, mamati a mollo a BS EN, joalo-joalo,.Re na le setifikeiti.ZHTdoors tšehetso OEM le mahala moralo.Melemo ea rona: boleng bo botle, theko ea fektheri, tšebeletso e ntle.Rea u amohela ho buisana le rona.