Bac Son Address: No 441 Le Loi, Ngo Quyen District, Hai Phong City Enterprise code: 0201576019 Phone: 0912344742 Representative: Nguyen Cong Huu Adress: No 441 Le Loi, Ngo Quyen District, Hai Phong City Ngo Quyen District, Hai Phong CityFounding date: 11 - 10 - 2014