| Material | Application Scenario | Product and Process Feature Introduction | Remarks |
| 304 | Mechanical and Electrical Equipment | Single weight: 3.887kg. Blind hole casting. The surface blade shell is made using a special process to ensure proper drying and strength. The connection surface needs to be machined to ensure that the installation position dimensions and surface roughness meet the requirements | Tolerance accuracy of castings dimensional tolerance standard ISO8062 (GB/T6414) CT6 grade |