Cong Nghe Phan Mem DQS Joint Stock Company Address: No 5, Bac Hong Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102739463 Phone: 0242119948 Representative: Dinh Quang Son Adress: No 5, Bac Hong Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 9 - 5 - 2008