Truyen Thong Tam Dao Joint Stock Company Address: H7B To 18 Khu Van Cong Quan Doi, Mai Dich Street, Cau Giay District, Ha Noi City Enterprise code: 0106723094 Phone: 02432002598 Representative: Nguyen Thi Thuy Adress: No 8, Alley 322/158, My Dinh Street, Nam Tu Liem District, Ha Noi City Cau Giay District, Ha Noi CityFounding date: 23 - 12 - 2014