Cong Nghe So Joint Stock Company Address: No 2 Tran Thanh Tong, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101377450 Phone: 0249721706 Representative: Pham Quoc Hung Adress: Zoom 15 C8, Lim Lien Town, Dong Da District, Ha Noi City Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 6 - 2003