Thuong Mai & Du Lich Hoang Duc LTD Address: 25 Tran Nhan Tong, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101023726 Phone: 0248224950 Nguyen Du Ward, Hai Ba Trung District, Ha Noi CityFounding date: 21 - 6 - 2000