Opolis LTD Address: No 92 Khu Tap The Hoc Vien Khoa Hoc Quan Su, Khu 6, Tram Troi Town, Hoai Duc District, Ha Noi City Enterprise code: 0108005356 Phone: 0353990246 Representative: Ngo Son Tung Tram Troi Town, Hoai Duc District, Ha Noi CityFounding date: 29 - 9 - 2017