Dau Tu Va Xay Dung Da Bac Joint Stock Company Address: Khu Hong Ha, Phuong Nam Ward, Uong Bi City, Quang Ninh Province Enterprise code: 5701466623 Phone: 02033668318 Representative: Pham Tuan Thu Phuong Nam Ward, Uong Bi City, Quang Ninh ProvinceFounding date: 28 - 2 - 2011