Tu Van Thiet Ke Va Dau Tu Xay Dung Viet Nam Joint Stock Company Address: Zoom 512, Nha B13, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101489034 Phone: 0245540385 Representative: Le Trong Dai Adress: Civil Group 5, Mai Dong Ward, Hoang Mai District, Ha Noi City Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 27 - 5 - 2004