The steel fireproof door is also a green environmental protection product in terms of recyclable materials. Many people should have never thought of it. In addition, it has excellent thermal insulation. The design of the fire door is also ingenious, using the rail sliding groove design, which has a strong role in waterproof and sound insulation.

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.