Du Lich Khai Hoan Ha Long LTD Address: Civil Group 4, Khu 5a, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701904108 Phone: 02033848998 Representative: Pham Thi Lanh Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 2 - 11 - 2017