Tu Van Moi Truong Lang Son Joint Stock Company Address: No 18, Ngo Thi Nham Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900665050 Phone: 02399924251 Representative: Hoang Van Huynh Adress: No 18, Ngo Thi Nham Street, Tam Thanh Ward, Lang Son City, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 18 - 7 - 2011