2．The research papers published in this journal can be accessed openly through the journal’s website. All articles are published in open access format in accordance with the CC BY-NC-ND 4.0 license agreement. Any third party has the right to use, distribute, and reproduce the papers in any media, but the author’s name, affiliation, and publication information of the Journal of Zhengzhou University (Engineering Science) must be retained during the use process for non-commercial purposes only and cannot create derivative works. For details, please visit: https://creativecommons.org/licenses/by-nc-nd/4.0/deed.en

3．In addition to self-archiving on the journal’s website, the full-text data of this journal are also stored in databases such as CNKI and Wanfang Data. This journal allows authors to deposit all versions of their articles on personal or institutional platforms. However, it is necessary to indicate the publication information of the article in the metadata of the institutional or other repositories and use it as the recommended way of citation.

4．This journal has adopted the "long-term archiving" services provided by the National Science and Technology Journal Platform, the China National Library of Publications, and the National Library of China. The National Science and Technology Journal Platform is synchronized with the journal, providing readers with the rights to read and download, making the full text of the papers freely available to the public, and ensuring the long-term security of the data of the Journal of Zhengzhou University (Engineering Science).