| 报告期 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 |
| 公司类型 | 通用 | 通用 | 通用 | 通用 |
| 流动资产: | | | | |
| 货币资金 | 120,160,428.39 | 100,811,452.06 | 57,781,838 | 66,169,598.6 |
| 应收票据及应收账款 | 121,513,891.92 | 58,238,258.23 | 127,288,963.19 | 104,125,385.41 |
| 其中：应收票据 | 921,500 | 450,205 | 3,193,938 | 3,057,661.48 |
| 应收账款 | 120,592,391.92 | 57,788,053.23 | 124,095,025.19 | 101,067,723.93 |
| 应收款项融资 | 121,396,968.13 | 160,403,802.65 | 101,443,875.17 | 81,945,127.21 |
| 预付款项 | 2,567,048.37 | 2,503,042.38 | 2,059,160.99 | 1,675,553.04 |
| 其他应收款合计 | 884,625.55 | 1,232,464.62 | 660,052.08 | 801,559.08 |
| 存货 | 84,549,716.17 | 86,372,126.46 | 92,318,717.1 | 92,171,500.71 |
| 其他流动资产 | 5,672,953.55 | 2,755,934.04 | 2,365,081.3 | 365,761.62 |
| 流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 流动资产合计 | 456,745,632.08 | 412,317,080.44 | 383,917,687.83 | 347,254,485.67 |
| 非流动资产: | | | | |
| 固定资产 | 123,754,762.76 | 125,750,047.16 | 128,133,864.13 | 131,231,598.33 |
| 在建工程 | 45,845,194.59 | 2,128,072.64 | 987,250.73 | 1,650,298.83 |
| 无形资产 | 26,792,847.19 | 27,213,885.04 | 27,570,797.51 | 27,943,800.14 |
| 长期待摊费用 | 8,221,626.75 | 8,736,097.79 | 7,841,379.07 | 7,259,949.99 |
| 递延所得税资产 | 4,870,113.43 | 4,321,404.38 | 5,080,113.09 | 4,829,686.02 |
| 其他非流动资产 | 11,619,623.67 | 13,695,891.08 | 84,227.88 | 663,927.88 |
| 非流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 非流动资产合计 | 221,104,168.39 | 181,845,398.09 | 169,697,632.41 | 173,579,261.19 |
| 资产平衡项目 | 0 | 0 | 0 | 0 |
| 资产总计 | 677,849,800.47 | 594,162,478.53 | 553,615,320.24 | 520,833,746.86 |
| 流动负债: | | | | |
| 短期借款 | - | - | - | 3,451,310.36 |
| 应付票据及应付账款 | 29,996,625.26 | 28,340,692.46 | 27,993,778.86 | 22,156,198.94 |
| 其中：应付票据 | 1,830,498.36 | 1,830,498.36 | - | - |
| 应付账款 | 28,166,126.9 | 26,510,194.1 | 27,993,778.86 | 22,156,198.94 |
| 合同负债 | 2,645,839.85 | 2,132,094.7 | 1,917,474.89 | 1,590,120.36 |
| 应付职工薪酬 | 7,287,636.39 | 11,294,840.77 | 5,958,037.13 | 5,561,696.9 |
| 应交税费 | 13,584,046.68 | 8,835,775.03 | 10,367,716.86 | 8,341,551.71 |
| 其他应付款合计 | 124,027.13 | 120,293.71 | 137,552.97 | 75,240.97 |
| 应付股利 | - | 17.52 | - | - |
| 其他流动负债 | 343,959.14 | 477,172.3 | 1,443,659.74 | 802,481.34 |
| 流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 流动负债合计 | 53,982,134.45 | 51,200,868.97 | 47,818,220.45 | 41,978,600.58 |
| 非流动负债: | | | | |
| 长期借款 | 37,997,680.79 | - | - | - |
| 递延收益 | 28,723,292.07 | 29,538,476.13 | 30,411,202.63 | 31,224,917.35 |
| 非流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 非流动负债合计 | 66,720,972.86 | 29,538,476.13 | 30,411,202.63 | 31,224,917.35 |
| 负债平衡项目 | 0 | 0 | 0 | 0 |
| 负债合计 | 120,703,107.31 | 80,739,345.1 | 78,229,423.08 | 73,203,517.93 |
| 所有者权益(或股东权益): | | | | |
| 实收资本(或股本) | 68,462,908 | 68,462,908 | 68,462,908 | 68,462,908 |
| 资本公积 | 113,727,208.88 | 113,727,208.88 | 113,727,208.88 | 113,727,208.88 |
| 盈余公积 | 27,331,258.24 | 27,331,258.24 | 19,992,458.55 | 19,992,458.55 |
| 未分配利润 | 347,625,318.04 | 303,901,758.31 | 273,203,321.73 | 245,447,653.5 |
| 归属于母公司股东权益平衡项目 | 0 | 0 | 0 | 0 |
| 归属于母公司股东权益合计 | 557,146,693.16 | 513,423,133.43 | 475,385,897.16 | 447,630,228.93 |
| 股东权益平衡项目 | 0 | 0 | 0 | 0 |
| 股东权益合计 | 557,146,693.16 | 513,423,133.43 | 475,385,897.16 | 447,630,228.93 |
| 负债和股东权益合计 | 677,849,800.47 | 594,162,478.53 | 553,615,320.24 | 520,833,746.86 |
| 公告日期 | 2025-05-27 | 2025-03-28 | 2024-12-04 | 2024-08-28 |
| 审计意见(境内) | | 标准无保留意见 | | 标准无保留意见 |