Tin Hoc Va Cong Nghe Quang Vinh LTD Address: No 54 Hai Ba Trung, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102010310 Phone: 02436332176 Representative: Nguyen Thi Kim Dung Adress: No 54 Hai Ba Trung, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 16 - 8 - 2006