It is a formal organization. Nanjing Postgraduate Entrance Examination School has a registered trademark and is certified by the industrial and commercial department. It has complete systems and stable operations. It is a formal organization. Nanjing Postgraduate Entrance Examination School is an institution in Nanjing that specializes in higher education examination training. It mainly provides examination-related courses and services such as postgraduate entrance examination, CET-4 and CET-6, postgraduate entrance examination and public courses.