Dau Tu Topcom Joint Stock Company Address: 231 Le Duan, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101506427 Phone: 0249437866 Representative: To Van Hung Adress: Vien Tho Nhuong Nong Hoa Town, Dong Ngac Commune, Tu Liem District, Ha Noi City Nguyen Du Ward, Hai Ba Trung District, Ha Noi CityFounding date: 13 - 7 - 2004