Cong Nghe Du Bao Joint Stock Company Address: No 138a, Quan Nhan Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101664670 Phone: 02462911134 Representative: Nguyen Van Cuong Adress: No 138a, Quan Nhan Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 6 - 6 - 2005