Ban Quan Ly Du An Dau Tu Xay Dung Huyen Trang Dinh Address: Khu 5, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900791993 Phone: 02053884266 Representative: Ngo Van Tung Adress: Khu 5, That Khe Town, Trang Dinh District, Lang Son Province That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 5 - 4 - 2016