Cong Nghe Phuong Nam Joint Stock Company Address: No 42 Lien Tri, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101219824 Phone: 0249423262 Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 5 - 4 - 2002