Truong Mam Non Quoc Khanh Address: Quoc Khanh Commune, Trang Dinh District, Lang Son Province Enterprise code: 4900264725 Phone: 02145887768 Representative: Nong Thi Duyen Quoc Khanh Commune, Trang Dinh District, Lang Son ProvinceFounding date: 26 - 12 - 2007