The hidden fire rated door has good fireproof performance, and does not need hardware such as traditional door closer hinges. The hidden fire rated door leaf is usually open and hidden in the wall. Combined with fire linkage, the door leaf automatically closes, which is safer, more human and more beautiful.

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.