Truong Mam Non Ban Cong Sao Mai Address: No 129, Tran Hung Dao Street, P/hong Ha, Yen Bai City, Yen Bai Province Enterprise code: 5200203863 Phone: 0216863951 Yen Bai City, Yen Bai ProvinceFounding date: 18 - 9 - 2002