Chi Nhanh Hoang Mai - Cong Ty Co Phan Dao Tao Mua Ban Truc Tuyen Address: O 3, Lot 4a, KDT Den Lu 2, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105328486-044 Phone: 02466807590 Representative: Duong Hai Son Adress: An Thai Hamlet, Yen Lu Commune, Yen Dung District, Bac Giang Province Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 19 - 3 - 2012