Truyen Thong Tan Ha Joint Stock Company Address: 8th Floor, Sannam Building, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0106384733 Phone: 0977623236 Representative: Dang Quang Minh Adress: Cao Son Hamlet, Tien Phuong Commune, Chuong My District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 6 - 12 - 2013