Trung Tam Day Nghe Thanh Pho Yen Bai Address: Civil Group 32, Hong Ha Ward, Hong Ha Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200513417 Phone: 02163814368 Hong Ha Ward, Yen Bai City, Yen Bai ProvinceFounding date: 14 - 4 - 2010