Truong Mam Non Xa Gia Mien Address: Na Giao Hamlet, Gia Mien, Van Lang District, Lang Son Province Enterprise code: 4900411722 Phone: 02053528503 Adress: Van Lang District, Lang Son Province Gia Mien Commune, Van Lang District, Lang Son ProvinceFounding date: 23 - 10 - 2009