XD Cong Trinh Giao Thong Va Dan Dung Truong Son Joint Stock Company Address: No 40, Au Co Street, Quang An Ward, Tay Ho District, Ha Noi City Enterprise code: 0101402883 Phone: 0247161013 Quang An Ward, Tay Ho District, Ha Noi CityFounding date: 23 - 9 - 2003