Dong Ngan (Tnhh) Address: NR Ong Nguyen Van Nghe, Bang Hamlet, Dong Ky, Dong Quang Commune, Tu Son Town, Bac Ninh Province Enterprise code: 2300239113 Phone: 02122834430 Dong Ky Ward, Tu Son City, Bac Ninh ProvinceFounding date: 6 - 1 - 2004