Chi Nhanh Cong Ty Co Phan Xay Lap Va PT Nong Thon Address: No 81 Cua Dong, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 0100101989-002 Phone: 02055636948 Representative: Nguyen The Ha Adress: Thanh Tri District, Ha Noi City Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 20 - 7 - 2001