Cong Nghe Sao Do Joint Stock Company Address: Civil Group 11, Viet Hung Ward, Long Bien District, Ha Noi City Enterprise code: 0101550881 Phone: 0248777416 Representative: Nguyen Thi Thanh Phuc Adress: Civil Group 11, Viet Hung Ward, Long Bien District, Ha Noi City Viet Hung Ward, Long Bien District, Ha Noi CityFounding date: 1 - 11 - 2004