Van Phong Dai Dien Tai Lang Son - Cong Ty TNHH Tu Van Tai Chinh Va Ke Toan Fac Address: No 18, Than Canh Phuc Street, Hoang Van Thu Ward, Lang Son City, Lang Son Province Enterprise code: 0103292065-004 Phone: 0985691502 Representative: Nguyen Cac Dung Hoang Van Thu Ward, Lang Son City, Lang Son ProvinceFounding date: 13 - 7 - 2022