Cong Nghe Tin Hoc Vien Thong LTD Address: No 21/2, Ly Nam De Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101151069 Phone: 0247338488 Representative: Phan Thi Tam Adress: 343 Quan Nhan, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 9 - 8 - 2001