Xay Dung Giao Thong Yen Bai Address: Le Hong Phong Street, Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200121233 Phone: 0216852395 Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai ProvinceFounding date: 5 - 9 - 1998