Dau Tu Phat Trien Xay Dung Va Thuong Mai 505 Joint Stock Company Address: Civil Group 15, Cluster 4, Ha Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101712596 Phone: 0248552146 Representative: Dang Huu Chinh Adress: Civil Group 13, Sai Dong Ward, Long Bien District, Ha Noi City Ha Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 11 - 7 - 2005