Dau Tu Xay Dung Hoang Mai Joint Stock Company Address: Civil Group 22, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101747528 Phone: 0248611333 Representative: Nguyen Van Phong Nha Adress: Civil Group 22, Yen So Ward, Hoang Mai District, Ha Noi City Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 17 - 8 - 2005