Cong Nghe Vien Thong Phantom - Iot LTD Address: No 24N, 173 Hoang Hoa Tham Lane, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0108636658 Phone: 0917998686 Representative: Do Manh Thai Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 6 - 3 - 2019