Thuong Mai Du Hoc Du Lich A- Au- My Joint Stock Company Address: No 31, Ba Trieu Street, Hang Bai Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101416011 Phone: 0903454617 Hang Bai Ward, Hoan Kiem District, Ha Noi CityFounding date: 7 - 11 - 2003