Van Phong Dang Ky Dat Va Nha Quan Hoang Mai Address: Toa Nha, Den Lu Urban Area, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0103134478 Phone: 02436340601 Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 30 - 12 - 2008