Xay Dung Va Thuong Mai Duy Nguyen Joint Stock Company Address: No 404, Hung Vuong Street, Khon Khuyen Hamlet, Mai Pha Commune, Lang Son City, Lang Son Province Enterprise code: 4900704045 Phone: 0984904615 Representative: Do Minh Hung Adress: Lien Phuong, Phuong Dong Ward, Uong Bi City, Quang Ninh Province Mai Pha Commune, Lang Son City, Lang Son ProvinceFounding date: 26 - 2 - 2012