Truong Mam Non Mong An Address: Na Vuong Hamlet, Mong An Commune, Binh Gia District, Lang Son Province Enterprise code: 4900583312 Phone: 02053734402 Adress: Binh Gia District, Lang Son Province Mong An Commune, Binh Gia District, Lang Son ProvinceFounding date: 28 - 5 - 2010