Dau Tu Va Khai Thac Khoang San Nam Long LTD Address: No 16, Nguyen Cao Street, Civil Group 40, Dong Mac Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101291281 Phone: 0248263887 Representative: Dao Van Dung Adress: No 590 Truong Dinh P.Tan Mai, Hoang Mai District, Ha Noi City Dong Mac Ward, Hai Ba Trung District, Ha Noi CityFounding date: 10 - 10 - 2002