Dau Tu Va Phat Trien Cong Nghe Ha Noi Joint Stock Company Address: No 23, Nguyen Van Cu Street, Ngoc Lam Ward, Long Bien District, Ha Noi City Enterprise code: 0101659663 Phone: 0246503261 Representative: Nguyen Hong Van Adress: No 530, Ngo Gia Tu Street, Duc Giang Ward, Long Bien District, Ha Noi City Ngoc Lam Ward, Long Bien District, Ha Noi CityFounding date: 30 - 5 - 2005