Monyako oa mollo oa UL o bolela monyako o tloaelehileng oa mollo oa Amerika, o sebelisoang Amerika Leboea le linaheng tse ling le libaka tse amohelang litekanyetso tsa UL. Ho fapana le mamati a mang a mollo, tšobotsi e totobetseng ea mamati a mollo oa American Standard ke hore menyako ea mollo oa American Standard e hloka ho lekoa ka hamore ea metsi a mollo. Rea u amohela ho buisana le rona.

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.