Truong Mam Non Xa Loi Bac Address: Na U Hamlet, Loi Bac Commune, Loc Binh District, Lang Son Province Enterprise code: 4900760473 Phone: 02053516195 Representative: Nong Thi Ly Loi Bac Commune, Loc Binh District, Lang Son ProvinceFounding date: 23 - 4 - 2013