| 财务指标 | 2015 | 2016 | 2017 | 2018 | 2019 |
| 存货总值 | 6.11 | 10.40 | 30.15 | 24.10 | 14.11 |
| 总资产周转率 | 0.51 | 0.45 | 1.12 | 0.45 | 0.11 |
| 存货周转率 | 2.07 | 1.57 | 8.34 | 4.71 | 1.65 |
| 存货周转天数 | 173.97 | 229.17 | 43.19 | 76.50 | 217.55 |