Hoi Dong Dau Gia Quyen Su Dung Dat Address: Than Thua Quy Street, Lang Son Province Enterprise code: 4900228572 Phone: 0205870141 Representative: Trieu Thi Thuy Lan Adress: Nguyen Thai Hoc Street, Lang Son City, Lang Son Province Lang Son ProvinceFounding date: 5 - 10 - 2004