Iminyango yomlilo ihlukaniswe ngamamaki amathathu ngokusho kwesikhathi sokumelana nomlilo. Isikhathi sokumelana nomlilo seBanga A lomnyango womlilo wensimbi akufanele sibe ngaphansi kwamahora angu-1.5; Isikhathi sokumelana nomlilo seBanga B lomnyango womlilo wensimbi akufanele sibe ngaphansi kwehora elingu-1.0; Isikhathi sokumelana nomlilo somnyango womlilo wensimbi we-Class C akufanele sibe ngaphansi kwamahora angu-0.5.

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.