| 报告期 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 |
| 公司类型 | 通用 | 通用 | 通用 | 通用 |
| 流动资产: | | | | |
| 货币资金 | 323,667,353.75 | 353,483,988.98 | 335,795,716.35 | 278,593,755.62 |
| 应收票据及应收账款 | 155,940,507.8 | 134,072,457.81 | 144,528,006.39 | 145,153,440.84 |
| 其中：应收票据 | 34,073,975.08 | 23,317,488.96 | 13,773,360.91 | 16,390,642.45 |
| 应收账款 | 121,866,532.72 | 110,754,968.85 | 130,754,645.48 | 128,762,798.39 |
| 预付款项 | 894,893.27 | 1,809,649.49 | 2,239,377.56 | 823,540.61 |
| 其他应收款合计 | 143,900 | 319,500 | 294,250 | 304,585.71 |
| 存货 | 61,981,615.84 | 51,816,408.58 | 51,369,987.68 | 45,609,854.9 |
| 其他流动资产 | 47,841.37 | - | 1,002,778.74 | 2,026,569.49 |
| 流动资产合计 | 542,676,112.03 | 541,502,004.86 | 535,230,116.72 | 472,511,747.17 |
| 非流动资产: | | | | |
| 固定资产 | 278,208,056.85 | 152,394,879.57 | 154,619,609.39 | 156,663,535.42 |
| 在建工程 | 30,204,348.05 | 130,032,468.86 | 121,531,946.96 | 101,721,773.48 |
| 无形资产 | 33,965,013.17 | 34,162,606.58 | 34,360,199.99 | 34,557,793.4 |
| 长期待摊费用 | 338,087.67 | 391,718.22 | 445,348.77 | 498,979.32 |
| 递延所得税资产 | 1,130,002.07 | 1,043,897.15 | 1,206,143.06 | 1,240,848.32 |
| 其他非流动资产 | 41,560,501.45 | 52,188,007.13 | 39,935,792.01 | 22,336,502.64 |
| 非流动资产合计 | 385,406,009.26 | 370,213,577.51 | 352,099,040.18 | 317,019,432.58 |
| 资产总计 | 928,082,121.29 | 911,715,582.37 | 887,329,156.9 | 789,531,179.75 |
| 流动负债: | | | | |
| 应付票据及应付账款 | 102,894,696 | 102,648,805.66 | 122,975,694.71 | 111,535,942.2 |
| 其中：应付票据 | - | 19,849,052.02 | 29,849,052.02 | 10,000,000 |
| 应付账款 | 102,894,696 | 82,799,753.64 | 93,126,642.69 | 101,535,942.2 |
| 合同负债 | 882,253.98 | 927,534.71 | 108,397.79 | 1,237,467.11 |
| 应付职工薪酬 | 18,415,158.22 | 21,779,778.02 | 28,485,242.59 | 22,093,611.29 |
| 应交税费 | 8,665,016.73 | 9,129,935.45 | 9,221,179.32 | 10,415,601.09 |
| 其他应付款合计 | 164,512.3 | 132,347.09 | 135,844.81 | 352,991.76 |
| 一年内到期的非流动负债 | 6,232,512.26 | 3,170,196.59 | 2,999,022.03 | 59,413.89 |
| 其他流动负债 | 34,075,702.24 | 23,327,115.03 | 13,782,312.92 | 16,416,881.19 |
| 流动负债合计 | 171,329,851.73 | 161,115,712.55 | 177,707,694.17 | 162,111,908.53 |
| 非流动负债: | | | | |
| 长期借款 | 116,757,186.41 | 119,829,743.95 | 113,103,763.09 | 75,242,239.6 |
| 递延收益 | 847,905.48 | 883,312.14 | 918,718.8 | 954,125.46 |
| 递延所得税负债 | 757,774.56 | 781,383.71 | 804,992.86 | 828,602.01 |
| 非流动负债合计 | 118,362,866.45 | 121,494,439.8 | 114,827,474.75 | 77,024,967.07 |
| 负债合计 | 289,692,718.18 | 282,610,152.35 | 292,535,168.92 | 239,136,875.6 |
| 所有者权益(或股东权益): | | | | |
| 实收资本(或股本) | 101,301,369 | 101,301,369 | 101,301,369 | 101,301,369 |
| 资本公积 | 133,328,256.12 | 133,328,256.12 | 133,328,256.12 | 133,328,256.12 |
| 盈余公积 | 45,741,263.3 | 45,741,263.3 | 45,741,263.3 | 30,685,104.41 |
| 未分配利润 | 358,018,514.69 | 348,734,541.6 | 314,423,099.56 | 285,079,574.62 |
| 归属于母公司股东权益合计 | 638,389,403.11 | 629,105,430.02 | 594,793,987.98 | 550,394,304.15 |
| 股东权益合计 | 638,389,403.11 | 629,105,430.02 | 594,793,987.98 | 550,394,304.15 |
| 负债和股东权益合计 | 928,082,121.29 | 911,715,582.37 | 887,329,156.9 | 789,531,179.75 |
| 公告日期 | 2025-08-25 | 2025-04-28 | 2025-04-28 | 2024-10-29 |
| 审计意见(境内) | | | 标准无保留意见 | |