Dau Tu Xay Dung Va Thuong Mai An Vien Joint Stock Company Address: No 5 Nguyen Phong Sac, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0105597898 Phone: 02437547860 Representative: Ha Duc Thao Adress: Civil Group 34, Quan Hoa Ward, Cau Giay District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 28 - 10 - 2011