Dau Tu Va Phat Trien Cong Nghe Joint Stock Company Address: 12a Dinh Cong Trang, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101331015 Phone: 0242184217 Representative: Pham Duc Hoai Adress: No 21, 19 Lieu Giai Lane, Lieu Giai Ward, Ba Dinh District, Ha Noi City Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 11 - 2 - 2003