2025 the 7th International Conference on Progress in Mechanical and Aerospace Engineering (PMAE 2025) will be held in Hong Kong during December 19-21, 2025, as workshop of CMAME - The 12th International Conference on Mechanical, Automotive and Materials Engineering. The aim as well as objective of PMAE 2025 is to present the latest research and results of scientists related to Mechanical and Aerospace Engineering topics. This conference provides opportunities for the delegates to exchange new ideas face-to-face, to establish business or research relations as well as to find global partners for future collaborations. We hope that the conference results will lead to significant contributions to the knowledge in these up-to-date scientific fields.