Dao Tao Va Phat Trien Cong Nghe Thong Tin Ha Noi Joint Stock Company Address: No 28, Lane 106, Cau Giay Street, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101473690 Phone: 0247671197 Representative: Bui Viet Son Adress: No B2, Laser P.O Cho Dua Town, Dong Da District, Ha Noi City Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 4 - 2004