Dau Tu Khai Thac Khoang San Nghia Hung Joint Stock Company Address: No G3 Khu Dong Dua, Ha Cau Ward, Ha Dong District, Ha Noi City Enterprise code: 0107803352 Phone: 0975288078 Representative: Doan Van Dung Ha Cau Ward, Ha Dong District, Ha Noi CityFounding date: 13 - 4 - 2017