Dau Tu Xay Dung Va Chuyen Giao Cong Nghe Joint Stock Company Address: No 7, Ba Trieu Street, Trang Tien Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101388276 Phone: 02439840293 Representative: Pham Ngoc Son Adress: No 48B Trang Thi, Hang Bong Ward, Hoan Kiem District, Ha Noi City Trang Tien Ward, Hoan Kiem District, Ha Noi CityFounding date: 5 - 8 - 2003