Phat Trien Ha Tang Dinh Lap Joint Stock Company Address: No 13, Le Hong Phong Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900230684 Phone: 0979599799; 02053712880 Representative: Tran Danh Dan Adress: No 13, Le Hong Phong Street, Tam Thanh Ward, Lang Son City, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 18 - 5 - 2005