Thuong Mai - Xay Dung Nam Son Joint Stock Company Address: Khu I, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900224627 Phone: 02053883369 Representative: Dinh Van Uy Adress: Khu I, That Khe Town, Trang Dinh District, Lang Son Province That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 21 - 10 - 2003