Truong Tieu Hoc Va Trung Hoc Co So Na Hau Address: Hamlet 2, Na Hau Commune, Van Yen District, Yen Bai Province Enterprise code: 5200463251 Phone: 02162249997 Na Hau Commune, Van Yen District, Yen Bai ProvinceFounding date: 14 - 9 - 2009