| Process | Predecessor process | Successor process |
| Cutting | − | Punching |
| Punching | Cutting | Bending |
| Bending | Punching | Welding |
| Welding | Bending | Thermal paint |
| Thermal paint | Welding | Final assembly |
| Final assembly | Thermal paint | Finishing |
| Finishing | Final assembly | Finished goods storage |