Vien Dong - (Trach Nhiem Huu Han) Address: Quan Do Hamlet, Van Mon Commune, Yen Phong District, Bac Ninh Province Enterprise code: 2300245371 Phone: 02122883009 Representative: Nghiem Xuan Vien Van Mon Commune, Yen Phong District, Bac Ninh ProvinceFounding date: 16 - 12 - 2004