Yokohama Tire Retread Company (formerly Sanyo Retread)
| 2012 | 2013～2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|
| Tree planting date | May 31 | - | - | - | - |
| Number of trees planted | 150 | - | - | - | - |
| Number of participants | 21 | - | - | - | - |
| Planting area (m2) | 53 | - | - | - | - |
| Home-grown seedlings rate (%) | 100 | - | - | - | - |
| Total number of trees planted | 150 | 150 | 150 | 150 | 150 |
| Total number of participants | 21 | 21 | 21 | 21 | 21 |
| Number of saplings provided to the outside | 0 | 0 | 0 | 0 | 0 |