Dau Tu Phat Trien Cong Nghe Thong Tin Viet Nam Joint Stock Company Address: No 25, Le Quy Don Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101309066 Phone: 0248210241 Representative: Nguyen Thi Chin Adress: Civil Group 15, Ngo Quyen Ward, Bac Giang City, Bac Giang Province Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 3 - 12 - 2002