Duc Thieng Address: Dong Quan Hamlet, Ninh Van Commune, Hoa Lu District, Ninh Binh Province Enterprise code: 2700450449 Phone: 0914253726 Representative: Tran Van Thieng Adress: Dong Quan Hamlet, Ninh Van Commune, Hoa Lu District, Ninh Binh Province Ninh Van Commune, Hoa Lu District, Ninh Binh ProvinceFounding date: 15 - 1 - 2009