Umnyango wensimbi ongenamlilo wakhiwe ngohlaka lwensimbi kanye neqabunga lomnyango wensimbi, okungelula ukukhubazeka ngomthelela futhi wonakaliswe amandla angaphandle. Ingasetshenziswa ngokujwayelekile isikhathi eside ngaphandle kokushintshwa. Ngaphansi kwesisekelo somphumela wokuvikela umlilo, iminyango yomlilo yensimbi inezici zokuvikela imvelo nokuqina.

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.