Toa An Nhan Dan Thanh Pho Yen Bai Address: Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200440399 Phone: 02163863918 Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai ProvinceFounding date: 6 - 7 - 2009