In order to ensure the security, stability, and long-term availability of journal data, the Journal of Zhengzhou University (Engineering Science) utilizes the "Long-term Archiving" service provided by CoaA (China Open Access Archive). CoaA synchronizes with the journal to provide readers with access to read and download, making the full text of the articles freely available to the public. This ensures the long-term security of data for the Journal of Zhengzhou University (Engineering Science).