Truong Tieu Hoc Yen Vuong Address: Yen Vuong Commune, Huu Lung District, Lang Son Province Enterprise code: 4900396464 Phone: 02053826197 Adress: Huu Lung District, Lang Son Province Yen Vuong Commune, Huu Lung District, Lang Son ProvinceFounding date: 25 - 9 - 2009