Eqinisweni, iminyango yomlilo ihlukaniswe yaba izinto eziningi ezahlukene, futhi izinto ezahlukene zinokusebenza okuhlukile komlilo. Lapho wenza iminyango yomlilo eyenziwe ngokwezifiso, izidingo zokulinganisa umlilo kufanele futhi zifakwe ngokuvumelana nesimo sangempela. Isilinganiso sokuvikela umlilo siphezulu uma kuqhathaniswa, futhi intengo ingase ibe phezulu uma kuqhathaniswa.

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.