Cty Co Phan Dau Tu - Phat Trien Tam Sinh Nghia Lang Son Address: No 31, Ngo Thi Sy Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900257421 Phone: 0205872346 Representative: Nguyen Thi Sam Adress: No 31 Ngo Thi Sy, Tam Thanh Ward, Lang Son City, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 20 - 6 - 2007