Dau Tu Va Xay Dung Hai Phat Lang Son LTD Address: No 8, Lane 11, Khoi 9, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900861714 Phone: 0936266658 Representative: Ha Van Hai Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 9 - 3 - 2020