Phat Trien Thuong Mai Cong Nghe Nam Phong Joint Stock Company Address: No 13 C1, Civil Group 48, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105641875 Phone: 02422112446 Representative: Bui Le Minh Adress: Hamlet 1, Yen Giang Ward, Quang Yen Town, Quang Ninh Province Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 11 - 2011