| 报告期 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 |
| 公司类型 | 通用 | 通用 | 通用 | 通用 |
| 流动资产: | | | | |
| 货币资金 | 150,962,772.2 | 126,522,425.86 | 211,591,062.4 | 212,409,125.55 |
| 应收票据及应收账款 | 401,584,080.2 | 386,840,892.95 | 320,111,116.98 | 300,155,865.03 |
| 其中：应收票据 | 16,812,043.49 | 22,758,888.77 | 24,489,209.23 | 25,839,713.94 |
| 应收账款 | 384,772,036.71 | 364,082,004.18 | 295,621,907.75 | 274,316,151.09 |
| 应收款项融资 | 1,454,615.58 | 16,445,579.51 | 14,846,324.42 | 3,867,090 |
| 预付款项 | 3,505,691.71 | 2,640,519.75 | 12,704,123.95 | 13,547,885.3 |
| 其他应收款合计 | 9,998,608.78 | 10,099,962.47 | 11,817,338.56 | 13,674,793.3 |
| 存货 | 173,064,771.31 | 177,262,245.06 | 155,802,401.52 | 172,175,688.18 |
| 合同资产 | 13,929,229.73 | 11,275,440.16 | 11,394,100.12 | 10,500,561.3 |
| 其他流动资产 | 252,199.29 | 575,499.41 | 432,167.26 | 1,618,036.08 |
| 流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 流动资产合计 | 756,835,768.8 | 733,661,165.17 | 741,146,904.21 | 730,545,449.74 |
| 非流动资产: | | | | |
| 固定资产 | 102,994,410.63 | 86,473,838.41 | 86,139,674.7 | 87,687,542.36 |
| 在建工程 | 196,263.98 | 13,618,619.31 | 12,880,465.07 | 12,399,702.75 |
| 使用权资产 | 7,222,349.19 | 687,583.32 | 889,726.72 | 229,551.93 |
| 无形资产 | 26,164,809.24 | 26,517,535.32 | 26,631,556.94 | 26,978,471.91 |
| 长期待摊费用 | 204,302.99 | 255,378.74 | 306,454.49 | 357,530.24 |
| 递延所得税资产 | 17,356,004.57 | 16,287,337.25 | 15,885,918.87 | 15,205,696.28 |
| 其他非流动资产 | 10,715,047.11 | 12,825,365.73 | 11,452,674.35 | 12,196,971.07 |
| 非流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 非流动资产合计 | 164,853,187.71 | 156,665,658.08 | 154,186,471.14 | 155,055,466.54 |
| 资产平衡项目 | 0 | 0 | 0 | 0 |
| 资产总计 | 921,688,956.51 | 890,326,823.25 | 895,333,375.35 | 885,600,916.28 |
| 流动负债: | | | | |
| 短期借款 | 30,024,000 | 40,039,000 | 95,008,179.03 | 95,011,127.21 |
| 交易性金融负债 | - | 418,200 | - | 1,288,905 |
| 应付票据及应付账款 | 383,398,304.27 | 383,201,941.06 | 347,828,107.15 | 352,227,769.46 |
| 其中：应付票据 | 150,453,105.52 | 106,431,391.02 | 126,239,202.68 | 152,014,273.49 |
| 应付账款 | 232,945,198.75 | 276,770,550.04 | 221,588,904.47 | 200,213,495.97 |
| 合同负债 | 25,373,823.51 | 22,737,141 | 23,552,281.52 | 29,656,803.34 |
| 应付职工薪酬 | 13,010,481.58 | 11,111,623.51 | 8,794,232.06 | 14,675,146.6 |
| 应交税费 | 23,300,115.9 | 22,666,229.45 | 22,146,459.39 | 17,524,224.51 |
| 其他应付款合计 | 32,598,080.22 | 29,706,213.97 | 25,960,487.53 | 24,992,348.36 |
| 一年内到期的非流动负债 | 5,000,316.95 | 385,731.6 | 531,509.58 | 149,652.81 |
| 其他流动负债 | 17,361,192.48 | 8,780,457.36 | 11,468,989.27 | 16,127,817.91 |
| 流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 流动负债合计 | 530,066,314.91 | 519,046,537.95 | 535,290,245.53 | 551,653,795.2 |
| 非流动负债: | | | | |
| 租赁负债 | 2,553,585.71 | 98,414.82 | 96,904.42 | - |
| 预计负债 | 7,525,677.71 | 3,806,919.26 | 3,351,620.32 | 3,920,793.56 |
| 递延收益 | 261,599.78 | 274,988.5 | 288,186.86 | 301,291.5 |
| 递延所得税负债 | 291,457.8 | 398,594.29 | 1,730,875.48 | 1,651,310.34 |
| 非流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 非流动负债合计 | 10,632,321 | 4,578,916.87 | 5,467,587.08 | 5,873,395.4 |
| 负债平衡项目 | 0 | 0 | 0 | 0 |
| 负债合计 | 540,698,635.91 | 523,625,454.82 | 540,757,832.61 | 557,527,190.6 |
| 所有者权益(或股东权益): | | | | |
| 实收资本(或股本) | 107,060,000 | 107,060,000 | 107,060,000 | 107,060,000 |
| 资本公积 | 46,093,243.79 | 46,018,424.63 | 45,973,461.87 | 45,887,911.27 |
| 专项储备 | 6,477,337.46 | 5,517,867.76 | 4,571,433.06 | 3,924,171.83 |
| 盈余公积 | 20,104,184.89 | 20,104,184.89 | 20,104,184.89 | 20,104,184.89 |
| 未分配利润 | 201,255,554.46 | 188,000,891.15 | 176,866,462.92 | 151,097,457.69 |
| 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 | 380,990,320.6 | 366,701,368.43 | 354,575,542.74 | 328,073,725.68 |
| 股东权益平衡项目 | 0 | 0 | 0 | 0 |
| 股东权益合计 | 380,990,320.6 | 366,701,368.43 | 354,575,542.74 | 328,073,725.68 |
| 负债和股东权益合计 | 921,688,956.51 | 890,326,823.25 | 895,333,375.35 | 885,600,916.28 |
| 公告日期 | 2024-11-11 | 2024-08-19 | 2024-06-13 | 2024-03-13 |
| 审计意见(境内) | | 标准无保留意见 | | 标准无保留意见 |