If it is an enterprise, generally speaking, national periodicals are also useful. If it is a hospital or a learning unit, core journals may be required to evaluate more advanced titles. At this time, national periodicals will not work.
China core periodical (selected) database was established by Wan Fang Data Company in 2003. Wan Fang data is based on digital journals in China, and some journal entries are collected from related databases such as China Sci-tech Literature Database, China Sci-tech Papers and Citations Database, forming a selected database of core journals in China.
The database of China core journals (selected) basically includes the core journals of science and technology and the statistical source journals of social sciences in the bibliometric units of China. It is the data source basis of core journal evaluation and paper statistical analysis.