Dau Tu He Thong Nam San Joint Stock Company Address: No 10, Alley 14/1, 328 Le Trong Tan Lane, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106493210 Phone: 0986268668 Representative: Tran Thi Thao Adress: P1016 No3, Hoang Liet Ward, Hoang Mai District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 26 - 3 - 2014