Dau Tu, San Xuat Va Thuong Mai Truong Son Joint Stock Company Address: Hamlet 4, Phu Do Hamlet, Phu Do Ward, Nam Tu Liem District, Ha Noi City Enterprise code: 0102184155 Phone: 02437855389 Representative: Nguyen Tien Cong Adress: Khu Trung Hanh 7, Dang Lam Ward, Hai An District, Hai Phong City Phu Do Ward, Nam Tu Liem District, Ha Noi CityFounding date: 14 - 3 - 2007