| 应付票据 | 应付账款 | 预收款项合同负债 | 经营性负债合计 | 占负债比重 |
2019 | 23,891,600 | 42,535,777 | 16,231,854 | 82,659,231 | 42.5% |
2020 | 28,249,939 | 53,930,261 | 18,400,922 | 100,581,122 | 42.6% |
2021 | 32,752,007 | 65,983,559 | 23,916,595 | 122,652,161 | 48.5% |
2022 | 25,572,421 | 64,233,225 | 27,960,038 | 117,765,684 | 43.5% |