Truong THCS Yen Thinh Address: Yen Thinh Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200148852 Phone: 0216852903 Adress: Yen Bai City, Yen Bai Province Yen Thinh Ward, Yen Bai City, Yen Bai ProvinceFounding date: 2 - 11 - 1998