Dau Tu Xay Dung Va Buu Chinh Vien Thong Ha Noi Joint Stock Company Address: No 153, Civil Group 1, Dinh Cong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101714441 Phone: 0245651260 Representative: Nguyen Thanh Hung Adress: No 153, Civil Group 1, Dinh Cong Ward, Hoang Mai District, Ha Noi City Dinh Cong Ward, Hoang Mai District, Ha Noi CityFounding date: 12 - 7 - 2005