Tu Duong Address: Nha Ong Duong, Hamlet 1, Dang Son Commune, Do Luong District, Nghe An Province Enterprise code: 2900495750 Phone: 02158871859 Representative: Hoang Tran Duong Dang Son Commune, Do Luong District, Nghe An ProvinceFounding date: 18 - 4 - 2002