Tu Van Dau Tu Va Xay Dung Viet Bac Joint Stock Company Address: No 35, Vong Thi Street, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0101476733 Phone: 0248361727 Representative: Luu Quang Hoa Adress: No 34B Vong Thi, Buoi Ward, Tay Ho District, Ha Noi City Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 28 - 4 - 2004