Thuong Mai Cong Nghe Pham Phuong Bac LTD Address: No 2 Nguyen Sieu, Hang Buom Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101084221 Phone: 0248250827 Representative: Do Thi Kim Lien Adress: 28B, Nguyen Khac Hieu Street, Truc Bach Ward, Ba Dinh District, Ha Noi City Hang Buom Ward, Hoan Kiem District, Ha Noi CityFounding date: 29 - 12 - 2000