Truong Trung Hoc Co So Viet Thanh Address: Hamlet 3, Viet Thanh, Tan Thanh Commune, Ham Yen District, Tuyen Quang Province Enterprise code: 5000307960 Phone: 02073604178 Tan Thanh Commune, Ham Yen District, Tuyen Quang ProvinceFounding date: 13 - 1 - 2009