Thuong Mai, Dich Vu Va Dao Tao Dong Nam A Joint Stock Company Address: No 71, Luong Yen Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101397707 Phone: 0249717742 Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 4 - 9 - 2003