Uy Ban Nhan Dan Thanh Pho Yen Bai Address: Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200149616 Phone: 0216852387 Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai ProvinceFounding date: 2 - 11 - 1998