Iminyango yomlilo yokhuni ingafakwa ezitebhisini efulethini, kodwa uma kunezitebhisi zangaphandle, iminyango yomlilo wensimbi kufanele ifakwe emnyango wezitebhisi. Iminyango yomlilo ingahlotshiswa ngemiphumela yokuhlobisa ongayikhetha, futhi ungathintana futhi uxhumane nathi lapho uthenga.

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.