Trung Hanh Address: Civil Group 65, Khu 6, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700640244 Phone: 0203649755 Representative: Nguyen Bao Trung Adress: Civil Group 91, Don Dien, Ha Khau Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 20 - 3 - 2007