MTV Dang Khoa LS LTD Address: No 67, My Son Street, Khoi 9, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900832311 Phone: 0915347933 Representative: Nguyen Xuan Tam Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 20 - 7 - 2018