Truong Mam Non Xa Huu Lien Address: Ao Bai Hamlet, Huu Lien Commune, Huu Lung District, Lang Son Province Enterprise code: 4900400840 Phone: 02053725483 Adress: Huu Lung District, Lang Son Province Huu Lien Commune, Huu Lung District, Lang Son ProvinceFounding date: 30 - 9 - 2009