Truong Trung Hoc Co So Yen Hoa Address: Thac Hamlet, Yen Hoa Commune, Na Hang District, Tuyen Quang Province Enterprise code: 5000320520 Phone: 02072247522 Adress: Na Hang District, Tuyen Quang Province Yen Hoa Commune, Na Hang District, Tuyen Quang ProvinceFounding date: 9 - 2 - 2009