Dau Tu Va Khai Khoang Son Phu Joint Stock Company Address: 2nd Floor, Nha 4F, Trung Yen Urban Area, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0104875101 Phone: 0984045979 Representative: Nguyen Van Ngoc Adress: No 105B7C Tap The Thanh Cong, Thanh Cong Ward, Ba Dinh District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 8 - 2010