Phat Trien Xay Dung Va Thuong Mai Viet Bac Joint Stock Company Address: Civil Group 11, Yen Nghia Ward, Ha Dong District, Ha Noi City Enterprise code: 0105039283 Phone: 0983343492 Representative: Nguyen Xuan Tinh Yen Nghia Ward, Ha Dong District, Ha Noi CityFounding date: 7 - 12 - 2010