Dau Tu Cong Nghe Viet Ha Joint Stock Company Address: Nha D3, Civil Group 91, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101601991 Phone: 02435638096 Representative: Nguyen Van Phi O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 27 - 1 - 2005