Mathstarworld Joint Stock Company Address: No 99, Nui Truc Lane, Nui Truc Street, Kim Ma Ward, Ba Dinh District, Ha Noi City Enterprise code: 0107816432 Phone: 0941352169 Representative: Do Thanh Minh Kim Ma Ward, Ba Dinh District, Ha Noi CityFounding date: 21 - 4 - 2017