Trung Tam Phat Hanh Sach Tinh Yen Bai Address: No 29, Tran Hung Dao Street, Hong Ha Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200146622 Phone: 0216862218 Representative: Dang Xuan Hai Hong Ha Ward, Yen Bai City, Yen Bai ProvinceFounding date: 29 - 1 - 1999