Hop Tac Phat Trien Truyen Thong Phuong Nam Joint Stock Company Address: Yen Lac Hamlet, Dong Lac Commune, Chuong My District, Ha Noi City Enterprise code: 0105993411 Phone: 02437878373 Representative: Nguyen Phu Phuong Dong Lac Commune, Chuong My District, Ha Noi CityFounding date: 20 - 9 - 2012