Tin Hoc Thuong Mai Hoang Long Joint Stock Company Address: No 87, Vong Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0104569591 Phone: 0979169837 Representative: Nguyen Van Huynh Adress: No 87, Vong Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 30 - 3 - 2010