Dau Tu Do Thi Mien Bac Joint Stock Company Address: No A37, Duy Tan Street, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101959635 Phone: 02437470979 Representative: Tang Viet Hung Adress: No 1, Civil Group 12, Nghia Do Ward, Cau Giay District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 6 - 2006