MTV Xay Dung Va Thuong Mai Thang Long LS LTD Address: No 58, Tran Hung Dao Street, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 4900813157 Phone: 0980684477 Representative: Nguyen Thanh Hai Dong Dang Town, Cao Loc District, Lang Son ProvinceFounding date: 8 - 9 - 2017