Thuong Mai Va Dau Tu TNN Joint Stock Company Address: No 1B Tran Hung Dao, Hong Bang District, Hai Phong City Enterprise code: 0200523712 Phone: 0225747767 Representative: Nguyen Xuan Nam Adress: No 1B Tran Hung Dao, Hong Bang District, Hai Phong City Hong Bang District, Hai Phong CityFounding date: 2 - 4 - 2003