| Material | Application Scenario | Product and Process Feature Introduction | Remarks |
| 304 | Electrical Appliances | Single weight: 0.0406kg. Slender through-hole casting. The shell and through-hole are made using ceramic core inlay, which reduces the difficulty of operation, shortens the production cycle, and improves the product qualification rate | Tolerance accuracy of castings dimensional tolerance standard ISO8062 (GB/T6414) CT6 grade |