| 年份 | 2017 | 2018 | 2019 | 2020 | 2021 |
| 营业收入(亿元) | 601.56 | 689.77 | 790.3 | 760.34 | 881.41 |
| 净利润(亿元) | 20.3 | 32.04 | 42.96 | 35.02 | 50.3 |
| 毛利率 | 35.21% | 37.38% | 37.55% | 37.65% | 36.70% |
| 净利率 | 3.37% | 4.63% | 5.40% | 4.61% | 5.60% |