Dich Vu Vien Thong Tin Hoc Ha Noi Joint Stock Company Address: No 18, Hem 9, Alley 77, Bui Xuong Trach Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107751626 Phone: 0914003510 Representative: Vu Duc Doanh Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 8 - 3 - 2017