Son Duong Address: Civil Group 84, Khu 8, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700692700 Phone: 0903250788 Representative: Nguyen Van Son Adress: Civil Group 48, Khu 8, Ha Khau Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 4 - 12 - 2007