Thuong Mai Trung Son Joint Stock Company Address: No 23/52, Ha Noi Street, So Dau Ward, Hong Bang District, Hai Phong City Enterprise code: 0200559772 Phone: 02253540572 Representative: Bui Duc Tu Adress: No 8/43/30 Tran Nguyen Han, Cat Dai Ward, Le Chan District, Hai Phong City So Dau Ward, Hong Bang District, Hai Phong CityFounding date: 18 - 9 - 2003