Duong Hung Address: 72 Khu 7 Civil Group, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700694352 Phone: 0203470118 Representative: Pham Viet Hung Adress: 2 Khu 7a Civil Group, Cao Thang Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 5 - 3 - 2008