The steel heat insulation fire door is a door which can be fire-resistant, heat-insulating and smoke isolating in a certain period of time and is composed of stainless steel and other materials with flame retardant treatment. The steel insulated fireproof door can be set in the fire compartment, evacuation staircase, vertical shaft and other escape positions.

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.