Vaster Tech Viet Nam Joint Stock Company Address: Hamlet 5, Cong Hoa Commune, Quoc Oai District, Ha Noi City Enterprise code: 0109465349 Phone: 0976031014 Representative: Nguyen Thi Hai Yen Cong Hoa Commune, Quoc Oai District, Ha Noi CityFounding date: 24 - 12 - 2020