Machinists refer to professionals who are responsible for operating, maintaining, repairing and adjusting machines, equipment and tools in the fields of industry, manufacturing and aviation. Mechanics is very useful because machinery plays a very important role in modern industry. Mechanic can operate, maintain and debug machinery and equipment to ensure the normal operation of machinery and equipment and the smooth progress of production, thus ensuring the production efficiency and economic benefits of enterprises.

Mechanical engineers need more certificates. According to different industries, different jobs and different levels, mechanical engineers need different certificates. For example, mechanical designer and mechanical engineer certificates required in the field of mechanical manufacturing; CNC machine tool operation certificate needed in machine tool operation field, welding certificate needed in welding field, etc. In addition, mechanics also need to have good technical skills, operational skills and safety awareness, which need to be accumulated and improved through long-term practice and training.