Tu Van, Dau Tu, Xay Lap Va Thuong Mai Hoan Cau Joint Stock Company Address: No 210 Quan Nhan, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101532191 Phone: 0242143360 Representative: Nguyen Tuan Dung Adress: Civil Group 17, Dong Tam Ward, Yen Bai City, Yen Bai Province Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 23 - 9 - 2004