Dau Tu Cong Nghe Truyen Thong Viet Nam Joint Stock Company Address: Zoom 2.1, Nha A4, Quoc Te Thang Long Village, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101983067 Phone: 0247545637 Representative: Vu Duc Chinh Adress: No 31 Han Thuyen, Vi Xuyen Ward, Nam Dinh City, Nam Dinh Province Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 6 - 2006