Dau Tu Va Phat Trien Cong Nghe Tin Hoc Vien Thong Mien Bac Joint Stock Company Address: No 207/H94, Lane 98, Thai Ha Street, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0102266312 Phone: 0248573785 Representative: Bui Manh Thang Adress: Zoom 207 Khu B Vien Ve Sinh Phong Dich Quan Doi, Dong Da District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 24 - 5 - 2007