Dau Tu Thuong Mai Xuat Nhap Khau Tin Nghia Lang Son LTD Address: No 83, Ly Thuong Kiet Street, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900811960 Phone: 02053808222 Representative: Kieu Nguyen Viet Trung Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 25 - 7 - 2017