Duong Ngoc Address: Hai Ninh Commune, Tinh Gia District, Thanh Hoa Province Enterprise code: 2800812540 Phone: 0237619894 Representative: Ho Van Duong Adress: Hai Ninh Commune, Tinh Gia District, Thanh Hoa Province Hai Ninh Commune, Tinh Gia District, Thanh Hoa ProvinceFounding date: 27 - 9 - 2004