Nam Son Address: 2 Khu 3a Civil Group, Cao Thang Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700463845 Phone: 0203613101 Representative: Nguyen Van Son Adress: 2 Khu 3a Civil Group, Cao Thang Ward, Ha Long City, Quang Ninh Province Cao Thang Ward, Ha Long City, Quang Ninh ProvinceFounding date: 23 - 9 - 2003