Tin Hoc Va Dien Tu Thang Long LTD Address: No 67, Tran Hung Dao Street, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101368671 Phone: 0249436914 Representative: Vu Quang Thanh Adress: No 159, Dang Van Ngu Street, Phuong Lien Ward, Dong Da District, Ha Noi City Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 2 - 6 - 2003