Dau Tu Xay Dung Mo & Khai Thac Khoang San Joint Stock Company Address: No 55, Civil Group 9, Khu 2, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701341159 Phone: 02033846089 Representative: Hoang Trong Chien Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 27 - 11 - 2009