Duy Bac Address: Nha Ong Bac, Vien Thanh Commune, Yen Thanh District, Nghe An Province Enterprise code: 2900694555 Phone: 02158868615 Representative: Nguyen Duy Bac Adress: Hamlet 8, Vien Thanh Commune, Yen Thanh District, Nghe An Province Vien Thanh Commune, Yen Thanh District, Nghe An ProvinceFounding date: 25 - 8 - 2005