Are 28 Nanjing state-owned enterprises or central enterprises?

Central enterprises, ok. Twenty-eight Nanjing Institutes and Twenty-eight Nanjing Institutes are research institutes under China Electronics Technology Corporation (China Electric Branch) and belong to central enterprises. Nanjing Institute of Technology (now Southeast University) is a 985 engineering university, a national "world-class university" construction university (Class A) and a vice-ministerial university. Nanjing Institute of Technology (now Southeast University) is very strong and belongs to the top universities in China, so it is good.