Thuong Mai Toan Gia Address: Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Enterprise code: 4900433571 Phone: 02387012420 Representative: Nguyen Van Thang Adress: Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Huu Lung Town, Huu Lung District, Lang Son ProvinceFounding date: 3 - 12 - 2009