So Y Te Lang Son Address: 50, Dinh Tien Hoang, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900152524 Phone: 02145812258 Representative: Hoang Dinh Hoan Adress: So, Ben Bac Street, Tam Thanh Ward, Lang Son City, Lang Son Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 3 - 11 - 1999