Hop Tac Phat Trien Truyen Thong Vov Joint Stock Company Address: No 10, 25 Vuong Thua Vu Lane, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106032146 Phone: 0915300956 Representative: Nguyen Huu Can Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 10 - 11 - 2012