Ngoc Du Address: Na Me Hamlet, Tri Phuong Commune, Trang Dinh District, Lang Son Province Enterprise code: 4900219105 Phone: 02145887513 Representative: Be Ngoc Du Adress: Na Me Hamlet, Tri Phuong Commune, Trang Dinh District, Lang Son Province Tri Phuong Commune, Trang Dinh District, Lang Son ProvinceFounding date: 29 - 8 - 2002