Dau Tu Cong Nghe Va Dich Vu Viet Nam Joint Stock Company Address: 136 Hoang Van Thai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102055216 Phone: 0242851439 Representative: Pham Van Thuy Adress: 101 B7, Dong Xa Town, Mai Dich Ward, Cau Giay District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 25 - 10 - 2006