Dau Tu Xay Dung Tuyen Bac LTD Address: Khu 4, Tram Tau Town, Tram Tau District, Yen Bai Province Enterprise code: 5200264023 Phone: 02163876195 Representative: Dinh Xuan Tuyen Adress: Civil Group 12, Trung Tam Ward, Nghia Lo Town, Yen Bai Province Tram Tau Town, Tram Tau District, Yen Bai ProvinceFounding date: 25 - 8 - 2006