Hoang Quynh LTD Address: 3B Civil Group, Khu 1a, Hong Ha Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700585561 Phone: 0203835485 Representative: Vu Thi Huong Quynh Adress: 6a Civil Group, Khu 2, Hung Thang Ward, Ha Long City, Quang Ninh Province Hong Ha Ward, Ha Long City, Quang Ninh ProvinceFounding date: 12 - 4 - 2006