MTV Lien Ket Nha Khoa Anh - Viet LTD Address: No 351, Ba Trieu Street, Dong Kinh Ward, Lang Son City, Lang Son Province Enterprise code: 4900805050 Phone: 02053859988 Representative: Vy Thi Trang Nhung Dong Kinh Ward, Lang Son City, Lang Son ProvinceFounding date: 9 - 2 - 2017