Thong Tin Va Truyen Thong Quoc Gia Joint Stock Company Address: No 2, Lane 174, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102291421 Phone: 0972532586 Representative: Nguyen Xuan Tuyen Adress: 52/42, Tran Binh Street, Mai Dich Ward, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 6 - 2007