Dau Tu Cong Nghe Va Ki Thuat Ha Tang Joint Stock Company Address: No 5/11, Lane 51, Luong Khanh Thien Street, Tuong Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102709067 Phone: 0912081909 Representative: Do Minh Hai Tuong Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 8 - 4 - 2008