Khai Thac Khoang San Ngoc Phuong Nam LTD Address: No 166 Nguyen Thai Hoc, Kim Ma Ward, Ba Dinh District, Ha Noi City Enterprise code: 0105978741 Phone: 02462660761 Representative: Tran Si Tri Adress: Thuong Thang Hamlet, Khanh Loc Commune, Can Loc District, Ha Tinh Province Kim Ma Ward, Ba Dinh District, Ha Noi CityFounding date: 27 - 8 - 2012