Dich Vu Phat Trien Blue Building Viet Nam Joint Stock Company Address: Tho Da Hamlet, Dong Anh District, Ha Noi City Enterprise code: 0104152374 Phone: 02439522698 Representative: Le Thi Mai Adress: Tho Da Hamlet, Dong Anh District, Ha Noi City Dong Anh District, Ha Noi CityFounding date: 9 - 9 - 2009