Dau Tu Va Phat Trien Cong Nghe Joint Stock Company Address: Yen Khe Hamlet, Dai Yen Commune, Chuong My District, Ha Noi City Enterprise code: 0900291841 Phone: 02422191936 Representative: Nguyen Ngoc Ha Adress: No 618, Bach Dang Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Dai Yen Commune, Chuong My District, Ha Noi CityFounding date: 10 - 10 - 2008