Dau Tu Thuong Mai Van Tai Truong Son Joint Stock Company Address: No 137 Khu 7, Quan Toan Ward, Hong Bang District, Hai Phong City Enterprise code: 0200792666 Phone: 02253749422 Representative: Do Van Toan Adress: Non Dai Hamlet, Quang Tien Commune, Tan Yen District, Bac Giang Province Quan Toan Ward, Hong Bang District, Hai Phong CityFounding date: 25 - 3 - 2008