Que Dao Address: Rung Dong Hamlet, Dong Tan Commune, Huu Lung District, Lang Son Province Enterprise code: 4900651001 Phone: 0985298629 Representative: Nguyen Van Dao Adress: No 50, Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Dong Tan Commune, Huu Lung District, Lang Son ProvinceFounding date: 21 - 4 - 2011