Truong Trung Hoc Co So Duc Ninh Address: Giao Te Hamlet, Duc Ninh Commune, Dong Hoi City, Quang Binh Province Enterprise code: 3100442663 Phone: 02323823783 Duc Ninh Commune, Dong Hoi City, Quang Binh ProvinceFounding date: 29 - 12 - 2008