Dau Tu Xay Dung Va Phat Trien Truong Son Joint Stock Company Address: No 82, Mai Hac De Street, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101385204 Phone: 0249760979 Representative: Nguyen Van Hung Adress: No 227a, Hue Street, Phuong, Hue Street, Hai Ba Trung District, Ha Noi City Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 18 - 7 - 2003