| Material | Application Scenario | Product and Process Feature Introduction | Remarks |
| 17-4PH | Shipbuilding | Single weight: 2.78kg. The wax model is made in parts using special tooling for assembly and shaping. Multi-gate pouring ensures casting quality. Special tooling is used for shaping the casting. The surface is fully mirror polished and dynamic balancing is performed | Tolerance accuracy of castings dimensional tolerance standard ISO8062 (GB/T6414) CT6 grade |