Dich Vu Vien Thong Toan Cau Joint Stock Company Address: 6th Floor, Az Land Building, No 58 Tran Thai Tong, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0102149866 Phone: 02437925020 Representative: Phan Van Thu Adress: No 28, 7 Chua Ha Lane, Dinh Trung Commune, Vinh Yen City, Vinh Phuc Province Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 1 - 2007