Trung Dung Address: Civil Group 1, Khu 3, Gieng Day Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700377219 Phone: 02033846078 Representative: Nguyen Van Chung Adress: Civil Group 1, Khu 3, Gieng Day Ward, Ha Long City, Quang Ninh Province Gieng Day Ward, Ha Long City, Quang Ninh ProvinceFounding date: 25 - 1 - 2002