Dau Tu Vien Thong Vinagroup Joint Stock Company Address: Zoom 316B, Nha A25, Khu Tap The Nghia Tan, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0104585794 Phone: 0912085060 Representative: Nguyen Hoang Adress: No 17, Civil Group 1, Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 4 - 2010