Chi Nhanh Cong Ty Co Phan Thuong Mai Dich Vu Vien Thong Da Thuong Hieu Address: 98 Le Duan, Cua Nam Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0305560976-001 Phone: 0249410998; 0249410997 Representative: Le Thuy Kieu Adress: 4B Trang Thi, Hoan Kiem District, Ha Noi City Cua Nam Ward, Hoan Kiem District, Ha Noi CityFounding date: 20 - 6 - 2008