Dau Tu Xay Dung Minh Dang Joint Stock Company Address: Bui Thi Xuan Street, Phu Loc 4 Urban Area, Khoi 6, Hoang Van Thu Ward, Lang Son City, Lang Son Province Enterprise code: 4900483999 Phone: 02052240468 Representative: Bui Minh Tan Hoang Van Thu Ward, Lang Son City, Lang Son ProvinceFounding date: 2 - 1 - 2010