Izinkuni ezisetshenziselwa umnyango womlilo wokhuni zicutshungulwe ngokukhethekile, futhi izinkuni ziye zenzelwe ukuvikela umlilo. Kuyinto ekwazi ukumelana nomlilo futhi ingahlangabezana nezimo zokushisa nokumelana nomlilo. Ingaphezulu lomnyango wamapulangwe ongashi wenziwe ngesanti noma wapholishwa, obushelelezi futhi obuhlelekile ngaphandle kwama-burrs, imihuzuko, njll. Izinto zokhuni ziyipulasitiki ephezulu, zinezinhlobonhlobo, izitayela, nemibala.

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.