Investigations and Actions


Abnormal Publication Records of an Author Group from Southwest University

A recent investigation reveals abnormal publication records of an author group from the Southwest University. TAN Qinyi (谭亲毅) is one of the core authors among this authorship network. Another key author is TENG Luyan.


Questionable Ethics Statements on Three Articles by YE Guanzhi et. al.

A same ethical approval number (XMYY-2024KYSB090) in three articles [1, 2, 3] coauthored by YE Guanzhi (叶冠志) et. al., with The First Affiliated Hospital of Xiamen University. However, This ethical approval is questionable.


Chinese Authors Are Over Represented in Advanced Materials Family

Our investigation reveals that Chinese authors are over represented in Advanced Materials family. In 2025, about 61% published in Advanced Materials have a Chinese first author. The number reaches 71.6% in Advanced Functional Materials.


China Ranks among the Top Collaborating Countries for US Universities

An investigation by the 5GH Team found that China ranks among the top collaborating countries for U.S. universities.


Multiple Companies in Nanchang Suspected of Selling Academic Papers

Recently, an investigation by the 5GH Team has revealed that several companies in Nanchang are suspected of selling academic papers. These companies attract customers on RedNote (a.k.a. Xiaohongshu), a well-known Chinese social media platform, through advertisements for "journal recommendations" or by posing as past clients sharing their experiences. Ultimately, under the guise of professional technical services such as copyright transfer services, the companies provide ghostwriting services to clients, in suspected trading of academic papers.


All Figures in Two Articles by LIU Yueliang (刘月亮) Are Identical and Derived from a Single Master's Thesis

An investigation conducted by the 5GH Team has revealed that two articles, contain 20 identical figures, all of which are reused from the Master's Thesis of LIU Wenbin, a former student at China University of Petroleum (East China).


40,000 CNY and 5 days, you can have a complete manuscript, with guaranteed acceptance

Buying papers from paper mills is not an unfamiliar practice in academic community. Even if you and your colleagues have never done it, you have probably heard of such things. So how much does it actually cost to buy a paper from a paper mill? And how many days does it take to receive a finished manuscript?


Earn 15 USD by Citing an Article

Recently, the 5GH Team noticed that some users on RedNote (also known as Xiaohongshu), a popular Chinese social media platform, were looking for authors who had submitted manuscripts to academic journals and asking them to cite their clients' articles.


Salami Slicing Publication Practices by a Group from Liaoning Normal University

A recent investigation reveals that an author group from Liaoning Normal University with core authors of ZHU Xingchen (朱星辰) exhibits several salami-slicing publication practices.


Network at Hainan University Suspected to Manipulate the Peer Review Process

Recently, the 5GH Team uncovered a network at Hainan University and other Chinese universities suspected of manipulating the peer review process.


Xinrui Admits Preferentially Adjusting Ranking Categories for Chinese Journals

when replying to an enquiry from the 5GH Team, the agency stated that the support mainly involves "分区倾斜" (i.e., a preferential adjustment of the journals’ ranking categories)


Chinese Articles Receive High Citations in Nature Communications, Science Advances, and PNAS, but not in PLoS ONE or Scientific Reports

Nature communications articles with a Chinese first author published in 2025 received an average of 13.4 citations, ranking 1st among the nation published more than 20 articles in the journal


PLoS ONE Accepted a Manuscript without Evaluation from any External Reviewer

An article published on PLoS ONE appears to have been accepted without the evaluation of any external reviewer.


Abnormal Citations to the Editor-in-Chief of "The International Journal of Tourism Research"

Recently, the 5GH Team received a tip-off alleging that Timothy Jeonglyeol LEE (李鼎烈) from the Macau University of Science and Technology may be exploiting his position as the Editor-in-Chief of "The International Journal of Tourism Research" (IJTR) to inflate his citations. Here are some more detailed data


International Journal of Coal Geology Contributes High Proportions of the Citations to the Editor-in-Chief

A previous investigation [1] revealed that about 17.5% citations to DAI Shifeng (代世峰) in 2025 came from the "International Journal of Coal Geology" (IJCG), the journal for which he services as the Editor-in-Chief. However, our further investigation shows that the phenomenon was common over the last two decades.




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