He Thong Thong Tin Va Dao Tao Heyday LTD Address: Nha Van Hoa To 10 Opposite, Civil Group 10, Yen Nghia Ward, Ha Dong District, Ha Noi City Enterprise code: 0107494168 Phone: 0936324803 Representative: Nguyen Thanh Phuong Adress: No 11, Civil Group 12, Nghia Do Ward, Cau Giay District, Ha Noi City Yen Nghia Ward, Ha Dong District, Ha Noi CityFounding date: 5 - 7 - 2016