Doanh Nghiep TN Khai Hoang Address: Civil Group 47, Khu 5, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701442012 Phone: 02033843932 Representative: Nguyen Van Hanh Adress: Civil Group 47, Khu 5, Ha Khau Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 17 - 11 - 2010