Tu Van He Thong Thong Tin Joint Stock Company Address: No 67 Kim Ma Thuong, Cong Vi Ward, Cong Vi Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101183705 Phone: 0242462007 Representative: Nguyen Ba Thi Adress: Civil Group 77, Lot 26 Hoang Cau, Dong Da District, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 22 - 11 - 2001