Is it a regular periodical included in China Periodical Network?

Yes Zhongkan.com official website shows that as of July 24, 2023, Zhongkan.com was operated by Hebei Zhan Yun Information Technology Co., Ltd., supported by China Sci-tech Periodical Literature Center and National Library Literature Center, and guided by Hebei Institute of Sci-tech Information. It is a regular website with complete qualifications and is protected by law. Zhongkan.com contains regular periodicals, so you can consult them at ease.