| 报告期 | 2024-06-30 | 2023-12-31 | 2023-06-30 | 2022-12-31 |
| 公司类型 | 通用 | 通用 | 通用 | 通用 |
| 流动资产: | | | | |
| 货币资金 | 215,736,227.26 | 154,228,984.31 | 83,773,029.74 | 68,721,044.65 |
| 应收票据及应收账款 | 236,954,503.76 | 243,310,153.94 | 232,050,817.13 | 260,883,950.06 |
| 其中：应收票据 | 16,177,380.53 | 15,532,244.05 | 10,713,297.36 | 12,111,426.91 |
| 应收账款 | 220,777,123.23 | 227,777,909.89 | 221,337,519.77 | 248,772,523.15 |
| 应收款项融资 | 1,772,608.01 | 3,303,112.72 | 1,429,880.61 | 3,042,402.13 |
| 预付款项 | 6,929,796.35 | 3,180,072.41 | 5,148,658.23 | 11,634,318.14 |
| 其他应收款合计 | 2,280,585.7 | 2,277,200.89 | 3,965,927.11 | 3,346,504.47 |
| 存货 | 125,105,923.78 | 156,553,330 | 123,758,886.28 | 137,806,784.76 |
| 其他流动资产 | 1,370,150.93 | 1,687,417.32 | 1,256,190.98 | 1,183,286.38 |
| 流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 流动资产合计 | 590,149,795.79 | 584,540,271.59 | 494,283,390.08 | 486,618,290.59 |
| 非流动资产: | | | | |
| 固定资产 | 400,886,575.65 | 268,927,832.49 | 261,618,920.86 | 258,358,867.16 |
| 在建工程 | 20,178,397.54 | 153,261,014.88 | 84,791,564.59 | 19,644,263 |
| 使用权资产 | 5,432,015.32 | 7,263,235.77 | 9,698,149.12 | 2,368,661.71 |
| 无形资产 | 34,155,007.66 | 14,995,124.81 | 15,538,843.79 | 15,962,064.85 |
| 长期待摊费用 | 8,521,624.09 | 11,062,923.87 | 11,085,386.46 | 11,451,317.11 |
| 递延所得税资产 | 5,941,345.53 | 5,921,937.23 | 6,113,867.71 | 7,327,141.5 |
| 其他非流动资产 | 14,789,243.4 | 9,932,975.76 | 8,484,416.43 | 8,511,139.82 |
| 非流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 非流动资产合计 | 489,904,209.19 | 471,365,044.81 | 397,331,148.96 | 323,623,455.15 |
| 资产平衡项目 | 0 | 0 | 0 | 0 |
| 资产总计 | 1,080,054,004.98 | 1,055,905,316.4 | 891,614,539.04 | 810,241,745.74 |
| 流动负债: | | | | |
| 应付票据及应付账款 | 102,099,162.87 | 172,668,604.53 | 144,621,970.93 | 158,939,985.94 |
| 应付账款 | 102,099,162.87 | 172,668,604.53 | 144,621,970.93 | 158,939,985.94 |
| 合同负债 | 287,531.6 | 132,990.19 | 85,880.08 | 227,938.35 |
| 应付职工薪酬 | 25,897,944.83 | 28,165,696.44 | 18,482,477.64 | 19,846,934.14 |
| 应交税费 | 5,613,635.56 | 9,424,855.58 | 4,717,000.98 | 5,515,384.52 |
| 其他应付款合计 | 225,900 | 51,200 | 2,206.87 | 284,620.61 |
| 一年内到期的非流动负债 | 10,211,865.23 | 3,775,198 | 3,344,908.53 | 793,600.33 |
| 其他流动负债 | 10,251,853.03 | 12,845,548.42 | 8,880,889.16 | 7,982,913.72 |
| 流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 流动负债合计 | 154,587,893.12 | 227,064,093.16 | 180,135,334.19 | 193,591,377.61 |
| 非流动负债: | | | | |
| 长期借款 | 56,921,204.06 | 56,290,263.79 | 25,591,087.71 | 1,000,000 |
| 租赁负债 | 2,896,418.77 | 3,850,106.84 | 4,951,987.46 | 1,534,894.06 |
| 递延收益 | 1,493,409.41 | 1,383,439.22 | 1,577,324.82 | 1,838,050.41 |
| 递延所得税负债 | 267,561.94 | 292,699.19 | 318,423.29 | 462,044.81 |
| 非流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 非流动负债合计 | 61,578,594.18 | 61,816,509.04 | 32,438,823.28 | 4,834,989.28 |
| 负债平衡项目 | 0 | 0 | 0 | 0 |
| 负债合计 | 216,166,487.3 | 288,880,602.2 | 212,574,157.47 | 198,426,366.89 |
| 所有者权益(或股东权益): | | | | |
| 实收资本(或股本) | 86,760,000 | 86,760,000 | 86,760,000 | 86,760,000 |
| 资本公积 | 246,550,678.28 | 246,550,678.28 | 246,550,678.28 | 245,247,329.91 |
| 其他综合收益 | 118,962.11 | -228,931.03 | 46,789.53 | 50,036.63 |
| 盈余公积 | 38,890,708.69 | 38,890,708.69 | 25,761,024.11 | 25,761,024.11 |
| 未分配利润 | 491,567,168.6 | 395,052,258.26 | 319,921,889.65 | 253,996,988.2 |
| 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 | 863,887,517.68 | 767,024,714.2 | 679,040,381.57 | 611,815,378.85 |
| 股东权益平衡项目 | 0 | 0 | 0 | 0 |
| 股东权益合计 | 863,887,517.68 | 767,024,714.2 | 679,040,381.57 | 611,815,378.85 |
| 负债和股东权益合计 | 1,080,054,004.98 | 1,055,905,316.4 | 891,614,539.04 | 810,241,745.74 |
| 公告日期 | 2024-09-27 | 2024-03-30 | 2024-03-12 | 2024-03-12 |
| 审计意见(境内) | | 标准无保留意见 | 标准无保留意见 | 标准无保留意见 |