Tu Van Va Dich Vu Vien Thong Ha Noi Joint Stock Company Address: No 1, Lane 82, Chua Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0106288892 Phone: 02437754500 Representative: Do Xuan Dai Adress: No 21, Lane 82, Chua Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 22 - 8 - 2013