Truyen Thong Song Bac Joint Stock Company Address: Civil Group 7, Le Mat Street, Viet Hung Ward, Long Bien District, Ha Noi City Enterprise code: 0106551261 Phone: 02435578714 Representative: Nguyen Viet Duc Adress: No 3, Le Van Thiem Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Viet Hung Ward, Long Bien District, Ha Noi CityFounding date: 23 - 5 - 2014