Isibambo somnyango womlilo ngokuvamile senziwe ngensimbi engagqwali, enezici ze-smooth and flat surface, ukubukeka okuhle, ukuvulwa okuguquguqukayo, ukuqina, ukusetshenziswa okulula, ukuphepha nokuthembeka. Iqabunga lomnyango elinokumelana okuthile nomlilo, elakhiwe ngehadiwe njengesibambo somnyango womlilo.

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.