Dau Tu Va Thuong Mai Dong Tam Joint Stock Company Address: No 81, Tran Dang Ninh Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900260142 Phone: 02053711738 Representative: Tran Thi Hien Adress: No 51, Le Lai Street, Hoang Van Thu Ward, Lang Son City, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 7 - 8 - 2007