Dang Tra Address: No 253, Ngo Gia Tu Street, Duc Giang Ward, Long Bien District, Ha Noi City Enterprise code: 0101597713 Phone: 02438274905 Representative: Nguyen Dinh Dang Adress: No 323, Ngo Gia Tu Street, Duc Giang Ward, Long Bien District, Ha Noi City Duc Giang Ward, Long Bien District, Ha Noi CityFounding date: 19 - 1 - 2005