American standard fireproof door, WH certificate based on UL standard; British standard fire door, WH (UK) certificate based on BS476 standard. Our American standard fireproof door has 20-180 minute certificate. British standard fire doors have 30 to 120 minute certificates. Fire doors can be made of steel, wood, stainless steel, etc. Welcome to consult us.

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.