Tu Van Va Xay Dung HHT Joint Stock Company Address: No 651/26/5, Minh Khai Street, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105235577 Phone: 02439878868 Representative: Nguyen Quoc Hanh Adress: P1114oct1, DN1, Dai Kim Ward, Hoang Mai District, Ha Noi City Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 1 - 4 - 2011