| No | Subject | Date |
|---|---|---|
| 1 | Quality control | 2017-12-01 |
| 2 | Testing Equipment | 2017-12-01 |
| 3 | Durability Test | 2017-12-01 |
| 4 | Master Carton Testing | 2017-12-08 |
| 5 | Drop Test | 2017-12-07 |
| 6 | Stamping Process | 2017-11-29 |
| 7 | Cutting Process | 2017-11-29 |
| 8 | Welding Process | 2017-11-29 |
| 9 | Welding robot | 2018-06-05 |