MTV Xay Dung Nam Son LS LTD Address: 139 A/6, Khoi 7, Tong Dan Street, Hoang Van Thu Ward, Lang Son City, Lang Son Province Enterprise code: 4900887582 Phone: 0911135699 Representative: Pham Thi Nhung Hoang Van Thu Ward, Lang Son City, Lang Son ProvinceFounding date: 18 - 5 - 2022