Tu Van Dau Tu Phat Trien Mien Nui LTD Address: No 25, Chua Tien Street, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900207131 Phone: 0205810416 Representative: Vu Ngoc Lan Adress: No 25, Chua Tien Street, Chi Lang Ward, Lang Son City, Lang Son Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 6 - 2 - 2001