Tong Hop Truyen Thong Quang Cao Viet Nam Joint Stock Company Address: No 120 Civil Group 3, Duc Thang Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0106126595 Phone: 02437502935 Representative: Le Xuan Khang Duc Thang Ward, Bac Tu Liem District, Ha Noi CityFounding date: 18 - 3 - 2013