Kinh Doanh Va Khai Thac Khoang San Ha Noi Joint Stock Company Address: No 52 Hang Bun, Quan Thanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101988996 Phone: 0248230496 Representative: Nguyen Trong Hai Adress: No 52 Hang Bun, Quan Thanh Ward, Ba Dinh District, Ha Noi City Quan Thanh Ward, Ba Dinh District, Ha Noi CityFounding date: 10 - 7 - 2006