Khai Thac Nha Thang Long LTD Address: No 145a Kim Nguu, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101273941 Phone: 02439872567 Representative: Nguyen Tien Mien Adress: Thien Ma Hamlet, Co Dong Commune, Son Tay Town, Ha Noi City Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 29 - 8 - 2002