Tin Hoc Va Tu Van Xay Dung Joint Stock Company Address: No 37 Le Dai Hanh, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0100775353 Phone: 0249761381 Representative: Nguyen Hoang Ha Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 12 - 1998