Truong Tieu Hoc Xa Tan Tri Address: Po Don Hamlet, Tan Tri Commune, Bac Son District, Lang Son Province Enterprise code: 4900357585 Phone: 02053739725 Adress: Bac Son District, Lang Son Province Tan Tri Commune, Bac Son District, Lang Son ProvinceFounding date: 30 - 7 - 2009