Khai Thac Khoang San Thanh Hoai Joint Stock Company Address: 14/6 Dien Bien Phu, Chinh Gian Ward, Thanh Khe District, Da Nang City Enterprise code: 0401375126 Phone: 02363647535 Chinh Gian Ward, Thanh Khe District, Da Nang CityFounding date: 13 - 8 - 2010