Dich Thuat Va Du Lich Tan Thang Long LTD Address: 203 A, Ba Trieu Street, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101095777 Phone: 0249740019 Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 19 - 2 - 2001