Cong Nghe Dong Bac LTD Address: Mai Phuc Hamlet, Gia Thuy Ward, Long Bien District, Ha Noi City Enterprise code: 0101520661 Phone: 0248756057 Representative: Do Khanh Ninh Adress: Civil Group 41, Quang Trung Ward, Uong Bi City, Quang Ninh Province Gia Thuy Ward, Long Bien District, Ha Noi CityFounding date: 23 - 8 - 2004