| Material | Application Scenario | Product and Process Feature Introduction | Remarks |
| 304 | Food Machinery and Equipment | Single weight: 1.027kg. The casting needs to be corrected. The outer surface is mirror polished. Linear runout testing is required, and the linear runout must be within 0.05mm | Tolerance accuracy of castings dimensional tolerance standard ISO8062 (GB/T6414) CT6 grade |