Dau Tu Xay Dung Thuong Mai Va Truyen Thong Viet Nam Joint Stock Company Address: No 15, B6 Du An Nha O Cau Dien, Bac Tu Liem District, Ha Noi City Enterprise code: 0105118908 Phone: 02437633789 Representative: Vu Van Bien Adress: No 14, Day E5 Khu B Tap The Dai Hoc Mo Dia Chat, Bac Tu Liem District, Ha Noi City Bac Tu Liem District, Ha Noi CityFounding date: 14 - 1 - 2011