Dong Lan Address: Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Enterprise code: 4900227610 Phone: 0205826984 Representative: Le Thi Lan Adress: Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Huu Lung Town, Huu Lung District, Lang Son ProvinceFounding date: 5 - 7 - 2004