Phat Trien Cong Nghe Ha Noi Joint Stock Company Address: No 19, 44 Nguyen Phuc Lai Lane, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101431281 Phone: 0245145930 Representative: Nguyen Thi Quoc Huong Adress: No 147 Cu Loc P.Thuong Dinh, Thanh Xuan District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 31 - 12 - 2003