Are 28 Nanjing state-owned enterprises or central enterprises?

Central enterprises. Nanjing 28 Institute refers to the 28th Institute of China Electronics Technology Corporation, also called Nanjing Institute of Electronic Engineering, which is a central enterprise. China Electronics Technology Group Co., Ltd. is a super-large central enterprise directly supervised by the State-owned Assets Supervision and Administration Commission, of which 28 are second-level members of the Department of Electrical Engineering and belong to China Electronics Technology Group Co., Ltd., one of the top ten military industrial groups.