Izicabha zomlilo wensimbi (okubandakanya umnyango owodwa, umnyango ophindwe kabili, umnyango ophindwe kabili) ziphathwa kakhulu ngokudweba okungaphezulu. Izicabha zomlilo zensimbi zingahlukaniswa zibe izindinganiso ezintathu: A, B, no-C ngokusho kobukhulu obuhlukene. Uma izinga eliphezulu liphakeme, kuba ngcono ukuvaleka komsindo nokushisa komnyango 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.