Dau Tu Va Phat Trien Ha Tang Thanh Son Joint Stock Company Address: No 8, Lane 1, Linh Nam Street, Mai Dong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101838013 Phone: 0245599825 Representative: Ngo Tuan Suu Adress: No 15, 647 Dong Kim Nguu Lane, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Mai Dong Ward, Hoang Mai District, Ha Noi CityFounding date: 13 - 12 - 2005