| 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 | 75,951,518.82 | 83,573,491.65 | 83,704,046.84 | 57,623,892.21 |
| 交易性金融资产 | - | - | 10,956,968.04 | 40,962,283.11 |
| 应收票据及应收账款 | 75,285,454.33 | 74,084,656.69 | 69,738,138.29 | 69,055,124.09 |
| 其中：应收票据 | 12,609,726.37 | 14,105,090.26 | 11,925,729.87 | 12,101,120.71 |
| 应收账款 | 62,675,727.96 | 59,979,566.43 | 57,812,408.42 | 56,954,003.38 |
| 应收款项融资 | 8,029,633.27 | 17,888,676.28 | 9,245,782.55 | 4,525,562.5 |
| 预付款项 | 2,971,434.37 | 3,205,765.82 | 3,001,833.29 | 2,589,987.13 |
| 其他应收款合计 | 1,324,224.1 | 5,598,406.59 | 10,200,032.66 | 10,424,595.75 |
| 存货 | 48,244,279.99 | 46,022,276.65 | 42,640,242.9 | 43,123,657.78 |
| 其他流动资产 | 20,343,431.82 | 19,438,834.43 | 18,713,640.35 | 17,674,773.75 |
| 流动资产合计 | 232,149,976.7 | 249,812,108.11 | 248,200,684.92 | 245,979,876.32 |
| 非流动资产: | | | | |
| 长期股权投资 | 0 | - | 0 | 0 |
| 固定资产 | 271,932,032.51 | 271,030,575.48 | 276,964,403.4 | 284,185,909.9 |
| 在建工程 | 50,821,092.49 | 46,151,313.42 | 31,953,434.62 | 22,326,358.8 |
| 使用权资产 | 2,031,981.34 | 1,964,956.85 | 1,257,539.96 | 973,245.74 |
| 无形资产 | 49,795,294.58 | 50,216,119.09 | 42,627,401.86 | 42,700,963.94 |
| 长期待摊费用 | 1,796,564.9 | 1,986,844.36 | 2,203,297.75 | 2,306,025.24 |
| 递延所得税资产 | 6,141,339.39 | 5,461,036.09 | 4,591,088.46 | 3,587,875.92 |
| 其他非流动资产 | 4,824,502.3 | 3,671,199.11 | 7,961,667.35 | 8,387,613.69 |
| 非流动资产合计 | 387,342,807.51 | 380,482,044.4 | 367,558,833.4 | 364,467,993.23 |
| 资产总计 | 619,492,784.21 | 630,294,152.51 | 615,759,518.32 | 610,447,869.55 |
| 流动负债: | | | | |
| 短期借款 | 10,050,034.72 | 24,053,454.86 | 20,003,819.44 | 20,003,819.44 |
| 应付票据及应付账款 | 51,387,872.96 | 44,521,204.01 | 44,036,852.6 | 58,679,167.41 |
| 其中：应付票据 | 1,000,000 | - | - | 1,031,200 |
| 应付账款 | 50,387,872.96 | 44,521,204.01 | 44,036,852.6 | 57,647,967.41 |
| 合同负债 | 788,413.41 | 1,043,845.49 | 1,134,946.59 | 996,555.99 |
| 应付职工薪酬 | 5,438,699.3 | 8,212,666.09 | 7,729,410.93 | 5,579,015.37 |
| 应交税费 | 1,940,477.73 | 2,519,852.04 | 1,819,501.24 | 3,568,170.23 |
| 其他应付款合计 | 824,365.83 | 798,120.84 | 1,052,727.8 | 583,254.09 |
| 一年内到期的非流动负债 | 9,512,295.58 | 4,238,174.58 | 4,193,736.31 | 824,872.48 |
| 其他流动负债 | 9,379,814.38 | 8,069,318.03 | 9,279,571.84 | 129,552.28 |
| 流动负债合计 | 89,321,973.91 | 93,456,635.94 | 89,250,566.75 | 90,364,407.29 |
| 非流动负债: | | | | |
| 长期借款 | 39,342,628.21 | 44,963,003.65 | 40,782,597.84 | 36,653,251.24 |
| 租赁负债 | 1,272,896.1 | 1,433,177.45 | 418,135.67 | 520,540.23 |
| 递延收益 | 2,403,776.9 | 2,510,991.74 | 2,618,526.54 | 2,723,305.62 |
| 递延所得税负债 | 5,314,789.13 | 5,550,694.54 | 5,694,011.59 | 5,147,822.82 |
| 非流动负债合计 | 48,334,090.34 | 54,457,867.38 | 49,513,271.64 | 45,044,919.91 |
| 负债合计 | 137,656,064.25 | 147,914,503.32 | 138,763,838.39 | 135,409,327.2 |
| 所有者权益(或股东权益): | | | | |
| 实收资本(或股本) | 94,287,797 | 94,287,797 | 94,287,797 | 94,287,797 |
| 资本公积 | 199,890,167.52 | 199,890,167.52 | 199,890,167.52 | 200,185,342.43 |
| 盈余公积 | 22,891,566.74 | 22,891,566.74 | 22,891,566.74 | 20,171,463.31 |
| 未分配利润 | 164,767,188.7 | 165,310,117.93 | 159,926,148.67 | 159,782,169.63 |
| 归属于母公司股东权益合计 | 481,836,719.96 | 482,379,649.19 | 476,995,679.93 | 474,426,772.37 |
| 少数股东权益 | - | - | - | 611,769.98 |
| 股东权益合计 | 481,836,719.96 | 482,379,649.19 | 476,995,679.93 | 475,038,542.35 |
| 负债和股东权益合计 | 619,492,784.21 | 630,294,152.51 | 615,759,518.32 | 610,447,869.55 |
| 公告日期 | 2025-08-25 | 2025-04-28 | 2025-04-25 | 2024-10-30 |
| 审计意见(境内) | | | 标准无保留意见 | |