Ban Quan Ly Khu Cong Nghiep Quan Hoang Mai Address: 435a, Tam Trinh Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0103127456 Phone: 02436342389 Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 27 - 12 - 2008