Doi Quan Ly Thi Truong So 2 Address: Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200463156 Phone: 02163862791 Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai ProvinceFounding date: 14 - 9 - 2009