Truyen Thong Digital Van Dieu Lang Son LTD Address: No 74, Muoi Street, Tam Thanh Ward, Tinh Lang Son, Viet Nam Enterprise code: 4900950629 Phone: 0325499949 Representative: Vi Quoc Hoan Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 30 - 9 - 2026