Cong Trinh Giao Thong Viet Thang LTD Address: No 126, Bui Xuong Trach Street, Khuong Dinh, Thanh Xuan District, Ha Noi City Enterprise code: 0101225151 Phone: 0248587412; 0248553873 Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 12 - 4 - 2002