Tu Van Kien Truc Hoa Sen Xanh LTD Address: No 79 Civil Group 21, Khuong Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0101330533 Phone: 0245595026 Representative: Tran Minh Tuan Adress: No 79 Civil Group 21, Khuong Thuong Ward, Dong Da District, Ha Noi City Khuong Thuong Ward, Dong Da District, Ha Noi CityFounding date: 30 - 1 - 2003