Tu Van, Dau Tu Va Thuong Mai Mai Nguyen Joint Stock Company Address: No 63 To Hien Thanh, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101390518 Phone: 0249745535 Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 8 - 8 - 2003