Chung Kien Address: Khu Tan My I, Huu Lung Town, Huu Lung District, Lang Son Province Enterprise code: 4900270937 Phone: 02053826825 Representative: Doan The Chung Adress: Khu Tan My I, Huu Lung Town, Huu Lung District, Lang Son Province Huu Lung Town, Huu Lung District, Lang Son ProvinceFounding date: 13 - 3 - 2008