Eminyango eminingi yomlilo, iminyango yomlilo nayo inezinzuzo ezingavamile. Iqabunga lensimbi elingashisi umlilo lingahlukaniswa libe yizicaciso ezintathu ngokusho kobukhulu balo. Uma ukucaciswa kuphakeme, kuba ngcono ukuvaleka komsindo nokunciphisa umsindo komnyango ongashi, kanye nomthelela wangempela wokufakwa kwe-thermal.

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.