| Material | Application Scenario | Product and Process Feature Introduction | Remarks |
| 304 | Industrial Production and Heat Dissipation Systems | Single weight: 3.35kg. The wax mold is complex, and the internal control uses a ceramic core design, requiring an airtightness test at 7.0MPa air pressure. | Tolerance accuracy of castings dimensional tolerance standard ISO8062 (GB/T6414) CT6 grade |