Du Lich Va Su Kien Lang Son Joint Stock Company Address: No 36, Le Loi Street, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900847558 Phone: 0931432345 Representative: Nguyen The Tung Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 20 - 3 - 2019