Dau Tu Va Tu Van Thiet Ke Cong Trinh Viet Nam Joint Stock Company Address: No 135, Tran Dang Ninh Street, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101663155 Phone: 0247563589 Representative: Le Dang Tien Adress: No 135, Tran Dang Ninh Street, Dich Vong Ward, Cau Giay District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 3 - 6 - 2005