Trung Tam Day Nghe Tu Thien Quynh Hoa Address: Thanh Oai Hamlet, Huu Hoa Commune, Thanh Tri District, Ha Noi City Enterprise code: 0106164576 Phone: 0436881063 Representative: Doan Thi Hoa Huu Hoa Commune, Thanh Tri District, Ha Noi CityFounding date: 25 - 4 - 2013