Cong Nghe Xay Dung Duy Nguyen Joint Stock Company Address: No 29/57, Moi Hamlet, Tan Trieu Commune, Thanh Tri District, Ha Noi City Enterprise code: 0103686768 Phone: 02435526601 Representative: Le Thi Chang Adress: 43/57, Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi City Tan Trieu Commune, Thanh Tri District, Ha Noi CityFounding date: 11 - 4 - 2009