Dau Tu Va Phat Trien Cong Nghe Thang Long LTD Address: No 211 Civil Group 2, Nam Thang Long Cluster, Khuat Duy Tien Street, Thanh Xuan District, Ha Noi City Enterprise code: 0101308094 Phone: 0245533038 Thanh Xuan District, Ha Noi CityFounding date: 29 - 11 - 2002