Dau Tu Va Phat Trien Cong Nghe Sach Joint Stock Company Address: P303, 23 Ba Trieu Building, Hang Bai Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102231133 Phone: 0242104544 Representative: Luu Xuan Dung Adress: P303, 23 Ba Trieu Building, Hang Bai Ward, Hoan Kiem District, Ha Noi City Hang Bai Ward, Hoan Kiem District, Ha Noi CityFounding date: 27 - 4 - 2007