HTX Dong Thang Address: 1B Hamlet, Dong Ngac Hamlet, Dong Ngac Commune, Bac Tu Liem District, Ha Noi City Enterprise code: 0101071550 Phone: 0248387613 Dong Ngac Ward, Bac Tu Liem District, Ha Noi CityFounding date: 24 - 11 - 2000