Truong Tieu Hoc Xa Vu Son Address: Na Danh Hamlet, Vu Son Commune, Bac Son District, Lang Son Province Enterprise code: 4900363740 Phone: 02053739919 Adress: Bac Son District, Lang Son Province Vu Son Commune, Bac Son District, Lang Son ProvinceFounding date: 7 - 8 - 2009