The fire door hinge is a component connecting the door and the door frame, which mainly supports the door body and has a certain anti-theft function. Fire door hinge is a new type of hinge that can be hidden in the door body. At the same time, it has the function of normally opening and closing under the control of electromagnetic external force, and drives the door body to rotate.

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.