Tap Doan Vngroup Joint Stock Company Address: 5th Floor, Diamond Flower Tower Building, Hoang Dao Thuy, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0110922617 Phone: 02466666989 Representative: Vu Van Thanh Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 3 - 11 - 2003