| 2020/09 - 九个月 人民币(K¥) | 2019/12 人民币(K¥) | 2018/12 人民币(K¥) | 2017/12 人民币(K¥) | 2016/12 人民币(K¥) | |
| 经营活动产生之现金流量净额 | 3,032,000 | 27,893,714 | 26,940,792 | 16,338,083 | 14,859,952 |
| 投资活动产生之现金流量净额 | 13,046,925 | (11,275,049) | (21,845,765) | (62,253,458) | (19,246,553) |
| 筹资活动产生之现金流量净额 | (16,470,466) | (19,221,976) | 2,513,846 | (2,248,341) | (5,751,560) |
| 汇率变动对现金及现金等价物的影响 | (319,594) | 203,762 | (196,368) | (1,798,027) | 4,094,504 |
| 现金及现金等价物净增加/(减少) | (711,135) | (2,399,549) | 7,412,505 | (49,961,744) | (6,043,657) |
| 期初现金及现金等价物余额 | 26,372,572 | 28,772,121 | 21,359,616 | 71,321,360 | 77,365,017 |
| 期末现金及现金等价物余额 | 25,661,437 | 26,372,572 | 28,772,121 | 21,359,616 | 71,321,360 |