Ky Thuat Dau Tu Xay Dung Viet Nam Joint Stock Company Address: No 12a Tto4 HD Mon So 4 Ham Nghi, Tu Liem Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111388797 Phone: 0983280136 Representative: Nguy Dinh Hung Tu Liem Ward, Bac Tu Liem District, Ha Noi CityFounding date: 12 - 2 - 2026