Vien Thong The Ky So Joint Stock Company Address: No 4, Alley 381/42, Lane 381, Thuy Phuong Street, Thuy Phuong Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0104955004 Phone: 02437429047 Representative: Nguyen Ngoc Giang Adress: Dai Dong Hamlet, Thuy Phuong Commune, Tu Liem District, Ha Noi City Thuy Phuong Ward, Bac Tu Liem District, Ha Noi CityFounding date: 13 - 10 - 2010