Duy Cuong Address: Goc Sau, Yen Vuong Commune, Huu Lung District, Lang Son Province Enterprise code: 4900251500 Phone: 0205725029 Representative: Nguyen Van Dung Adress: Goc Sau, Yen Vuong Commune, Huu Lung District, Lang Son Province Yen Vuong Commune, Huu Lung District, Lang Son ProvinceFounding date: 10 - 11 - 2006