Duy Thanh LTD Address: No 22 Khu Iii, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900263168 Phone: 0205883020 Representative: Dam The Thanh Adress: 22 Khu Iii, That Khe Town, Trang Dinh District, Lang Son Province That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 6 - 12 - 2007