Tin Hoc Duc Hieu LTD Address: 2 B30 Yen Lang, Thinh Quang Ward, Dong Da District, Ha Noi City Enterprise code: 0101250662 Phone: 0248535207 Representative: Tran Minh The Adress: 2B 30 Yen Lang, Thinh Quang Ward, Thanh Xuan District, Ha Noi City Thinh Quang Ward, Dong Da District, Ha Noi CityFounding date: 11 - 6 - 2002