Trung Tam Ngoai Ngu Sydney Lang Son - Chi Nhanh Cong Ty TNHH MTV C & A Lang Son Address: 559 Ba Trieu, Dong Kinh Ward, Lang Son City, Lang Son Province Enterprise code: 4900812467-001 Phone: 02053867111 Representative: Vi Trang Ly Dong Kinh Ward, Lang Son City, Lang Son ProvinceFounding date: 27 - 10 - 2021