Dau Tu Xay Dung Va Ky Thuat Ha Tang Viet Nam Joint Stock Company Address: No 74, Lane 77, Street 8/3, Minh Khai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101849664 Phone: 0246461653 Representative: Tran Quoc Long Adress: No 126 Tran Nguyen Han, Ngo Quyen Ward, Bac Giang City, Bac Giang Province Minh Khai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 4 - 1 - 2006