Duong Hai LTD Address: Civil Group 27, Khu 3, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700638816 Phone: 02033845969 Representative: Duong Van Trong Adress: Civil Group 27, Khu 3, Ha Khau Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 26 - 2 - 2007