Njengoba umlilo uba yingozi efihliwe ebalulekile ezakhiweni zesimanje, ukuvikela umlilo kuye kwadonsa ukunaka kwabantu abaningi ngokwengeziwe. Iminyango yomlilo iyindlela ebalulekile yokuhlukanisa umlilo. Iminyango yomlilo ihlukanisa isikhala sesakhiwo sibe izingxenye eziningana zomlilo, ukuze kuthi lapho umlilo uvela endaweni ngayinye yomlilo, awukwazi ukusabalala ngaphandle isikhathi esithile, ukuze ulawule umlilo ngokuphumelelayo.

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.