Cong Nghe So Bigtech Viet Nam Joint Stock Company Address: No 28, Tap The 18/4, 86 Duy Tan Lane, Civil Group 28, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0108742896 Phone: 0984826700 Representative: Nguyen Van Ban Adress: Khu 7, Tram Troi Town, Hoai Duc District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 5 - 2019