Tu Van Dau Tu Va Xay Dung Khanh Ngoc LS LTD Address: No 7/238 Tran Quang Khai 2, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900886860 Phone: 02385686525 Representative: Linh Van Khanh Adress: No 7/238 Tran Quang Khai 2, Chi Lang Ward, Lang Son City, Lang Son Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 12 - 4 - 2022