Do Thi Dai Viet Joint Stock Company Address: P4-1, 32th Floor, Song Da Building, Ha Dong, Van Quan Ward, Ha Dong District, Ha Noi City Enterprise code: 0105427783 Phone: 02433545053 Representative: Le Duy Binh Adress: B1+ B2 Nha B24 Kim Lien, Kim Lien Ward, Dong Da District, Ha Noi City Van Quan Ward, Ha Dong District, Ha Noi CityFounding date: 29 - 7 - 2011