Duy Hieu LTD Address: 21 Khu Nui Gac Civil Group, Yen Thanh Ward, Uong Bi City, Quang Ninh Province Enterprise code: 5700506880 Phone: 0912155700 Representative: Tran Thi Ngan Adress: Bi Trung 1 Hamlet, Phuong Dong Ward, Uong Bi City, Quang Ninh Province Yen Thanh Ward, Uong Bi City, Quang Ninh ProvinceFounding date: 17 - 8 - 2004