Dau Tu Va Xay Dung Cong Nghiep LTD Address: 441B, Tran Dang Ninh Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900211829 Phone: 0205879543 Representative: Nguyen Thi Tham Adress: Khoi 5, Tam Thanh Ward, Lang Son Town, Cao Loc District, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 22 - 10 - 2001