Cong Nghe Da Quoc Gia Joint Stock Company Address: No 44, Nguyen Thi Dinh Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0105987217 Phone: 02433553443 Representative: Pham Thi Loi Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 9 - 2012