Duong Thuy Tam Address: Civil Group 4, Khu 2, Hong Ha Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700970161 Phone: 0984407009 Representative: Duong Thuy Tam Adress: Civil Group 11, Khu 3, Hong Hai Ward, Ha Long City, Quang Ninh Province Hong Ha Ward, Ha Long City, Quang Ninh ProvinceFounding date: 25 - 2 - 2009