Izinto zomnyango womlilo wezinkuni we-UL zinquma ukusebenza kwawo komlilo kanye nentengo. Isibonelo, ukukhiqizwa nokucutshungulwa kwe-mahogany, i-walnut ne-oki kuklanyelwe ukukhiqiza amadivaysi eminyango angashayi umlilo ngokusebenza okuhle kanye nenani eliphezulu.

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.