| 5th International Conference on Aeronautical Materials and Aerospace Engineering (AMAE 2021) | 开始日期：2021-05-14 结束日期：2021-05-16 | 2021-03-25 | 2021-03-30 | China Beijing | Hong Kong Society of Mechanical Engineers (HKSME) | https://www.amae2021.org/ |
| 2021 European Conference on Electrical Machines and Power Electronics (CEMPE 2021) | 开始日期：2021-05-14 结束日期：2021-05-16 | 2020-10-25 | 2020-11-30 | Czech Republic Prague | | http://www.cempe.org/ |
| 2021 2nd International Conference on Internet of Things, Artificial Intelligence and Mechanical Automation (IoTAIMA 2021) | 开始日期：2021-05-14 结束日期：2021-05-16 | | 2021-04-28 | China Hangzhou | | http://iotaima.org |
| 2021 International Symposium on Mechanical Systems and Electronic Engineering (ISMSEE 2021) | 开始日期：2021-05-14 结束日期：2021-05-16 | | 2021-04-30 | China Nanjing | | http://www.ismsee.org/ |
| AIEA-SMEMS 2021 - 2021 2nd International Conference on Artificial Intelligence and Electromechanical Automation-Sensor and MEMS Forum（AIEA-SMEMS 2021） | 开始日期：2021-05-14 结束日期：2021-05-16 | 2021-05-07 | | China Nanjing，China | | http://smems.icaiea.com |
| International Conference on Robotics and Automation (ICRA 2021) | 开始日期：2021-05-16 结束日期：2021-05-22 | | | 中国 厦门 | IEEE Robotics and Automation Society (RAS) | https://www.ieee-ras.org/conferences-workshops |
| 7th International Conference on Artificial Intelligence (ARIN 2021) | 开始日期：2021-05-22 结束日期：2021-05-23 | | 2021-03-13 | Switzerland Zurich | | https://csita2021.org/arin/index |
| MEIE 2021 - The Fourth International Conference on Mechanical, Electric and Industrial Engineering | 开始日期：2021-05-22 结束日期：2021-05-24 | | 2021-03-25 | China Kunming | | http://www.icmeie.com/ |
| 2021年10届 韩国（釜山）国际机械工业展 | 开始日期：2021-05-26 结束日期：2021-05-29 | | | 韩国 韩国釜山国际会展中心 | 釜山机械工业协会、釜山模具工业协会 | https://zhanhui.xianjichina.com/detail_8042.html |
| 5th International Conference on Mechanical, System and Control Engineering (ICMSC 2021) | 开始日期：2021-05-28 结束日期：2021-05-30 | 2020-12-20 | | Russia Kazan | | http://icmsc.org/ |
