Ban Quan Ly Du An 661 Huyen Huu Lung Address: Na Hoa Hamlet, Son Ha Commune, Huu Lung District, Lang Son Province Enterprise code: 4900523779 Phone: 02053504314 Representative: Do Van Ty Adress: No 84, Xuong Giang Street, Huu Lung Town, Huu Lung District, Lang Son Province Son Ha Commune, Huu Lung District, Lang Son ProvinceFounding date: 19 - 4 - 2010