| 2022 | 2021 | 2020 | 2019 |
存货周转天数(天) | 104.41 | 89.39 | 75.29 | 55.31 |
应收账款周转天数(天) | 27.30 | 21.63 | 18.46 | 14.73 |
存货周转率(次) | 3.45 | 4.03 | 4.78 | 6.51 |