Tu Van Xay Dung Va Dau Tu Beta Joint Stock Company Address: Zoom 63, Nha D, Chung Cu Dai Hoc Thuong Mai Ha Noi, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0104138267 Phone: 0934375455 Representative: Nguyen Duc Linh Adress: Dong Xuan Hamlet, Hoa Son Commune, Do Luong District, Nghe An Province Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 31 - 8 - 2009