Cong Nghe So Viet Nam Joint Stock Company Address: No 9, Lane 56, Cluster 8, An Duong Vuong Street, Phu Thuong Ward, Tay Ho District, Ha Noi City Enterprise code: 0102267034 Phone: 0247581455 Representative: Nguyen Van Thanh Adress: No 7, Tong Duy Tan Street, Hang Bong Ward, Hoan Kiem District, Ha Noi City Phu Thuong Ward, Tay Ho District, Ha Noi CityFounding date: 24 - 5 - 2007