Uhlaka lomnyango womnyango womlilo lungalungiswa ngodonga ngezinsimbi zokunweba, noma ucezu lwensimbi lungangcwatshwa emgodini lapho udonga lwakhiwe, futhi ucezu lokuxhuma lohlaka lomnyango lungahlanganiswa ngokuqinile ngesikhathi sokufakwa. Umnyango oseduze kufanele ufakwe emnyango womlilo, i-sequencer kufanele ifakwe lapho umnyango uvuliwe, isibambo emnyango, i-fire lock kanye nezinye i-hardware kufanele ziphelele.

Iminyango yomlilo ye-ZHTdoors, iminyaka engu-31 yesipiliyoni sokukhiqiza eminyango yomlilo kanye neWindows. Iminyango yomlilo eyinhloko ye-UL, iminyango yomlilo ye-EN, iminyango yomlilo ye-BS EN, njll., Sine-certification.ZHTdoors isekela i-OEM kanye ne-design yamahhala.Izinzuzo zethu: ikhwalithi enhle, intengo yefekthri, isevisi enhle.Siyakwamukela ukuthi uxhumane nathi.