Vien Thong TT Mobile Viet Nam LTD Address: Khu K332, Ngoc Nhi Hamlet, Cam Linh Commune, Ba Vi District, Ha Noi City Enterprise code: 0107939152 Phone: 0377752257 Representative: Nguyen Luong Thanh Cam Linh Commune, Ba Vi District, Ha Noi CityFounding date: 28 - 7 - 2017