Thanh Tra Xay Dung Quan Hoang Mai Address: C Building, Khu Do Thi Den Lu, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0103134460 Phone: 02436332477 Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 30 - 12 - 2008