Dich Vu Thuong Mai Va Tu Van Xay Dung Hai Anh Joint Stock Company Address: No 40, Phai Luong 3, Khoi Dai Thang, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900785340 Phone: 02056252588 Representative: Tran Hong Son Adress: Khu Cau 10, Huu Lung Town, Huu Lung District, Lang Son Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 25 - 9 - 2015