WCMEIM 2021 was successfully held on November 12-14, 2021.

The 2021 4th World Conference on Mechanical Engineering and Intelligent Manufacturing (WCMEIM 2021) is co-organized by Shanghai University of Engineering Science and Global Scientific Research Association. WCMEIM 2021 was successfully held on November 12-14, 2021. Due to the COVID-19 prevention and control and travel restrictions, the conference was held in the form of online video conference.