Dau Tu Kinh Doanh Va Dich Vu Nha Ha Noi Joint Stock Company Address: 34, Dien Bien Phu Street, Dien Bien Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101622053 Phone: 0247341247; 0247342532 Representative: Ngo Van Thang Adress: 177 Hang Bong, Hang Bong Ward, Hoan Kiem District, Ha Noi City Dien Bien Ward, Ba Dinh District, Ha Noi CityFounding date: 24 - 3 - 2005