| 报告期 | 2025-06-30 | 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 | 593,771,826.81 | 431,313,168.52 | 240,366,032.32 | 272,562,936.36 |
| 应收票据及应收账款 | 296,692,220.11 | 253,264,813.39 | 296,473,766.12 | 248,532,095.31 |
| 其中：应收票据 | 5,307,069.92 | 12,572,439.37 | 12,639,103.18 | 33,782,926.44 |
| 应收账款 | 291,385,150.19 | 240,692,374.02 | 283,834,662.94 | 214,749,168.87 |
| 应收款项融资 | 49,074,540.41 | 12,939,197.09 | 14,511,654.4 | 43,650,821.98 |
| 预付款项 | 7,777,867.03 | 8,744,401.73 | 13,231,004.39 | 5,471,971.52 |
| 其他应收款合计 | 25,765,702.63 | 32,469,492.42 | 9,484,747.84 | 19,322,749.08 |
| 存货 | 382,459,095.2 | 374,410,136.3 | 329,840,204.29 | 283,222,754.11 |
| 其他流动资产 | 47,972,831.71 | 39,664,827.38 | 27,946,109.83 | 22,708,398.19 |
| 流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 流动资产合计 | 1,422,741,224.03 | 1,152,837,636.83 | 934,894,516.27 | 895,471,726.55 |
| 非流动资产: | | | | |
| 固定资产 | 153,931,853.92 | 132,525,395.77 | 122,825,652.39 | 120,639,638.47 |
| 在建工程 | 5,157,075.33 | 19,849,530.18 | 22,818,690.14 | 13,318,808.87 |
| 使用权资产 | 859,074 | 1,752,587.66 | 94,709.28 | 120,539.08 |
| 无形资产 | 36,482,023.36 | 33,344,761.09 | 33,710,708.29 | 32,871,972.93 |
| 长期待摊费用 | 347,736.96 | 400,474.08 | 426,842.64 | 453,211.2 |
| 递延所得税资产 | 1,710,157.51 | 4,140,959.42 | 3,383,652.26 | 3,968,923.17 |
| 其他非流动资产 | 4,393,635.76 | 3,941,285.76 | 3,167,435.76 | 6,832,285.76 |
| 非流动资产平衡项目 | 0 | 0 | 0 | 0 |
| 非流动资产合计 | 202,881,556.84 | 195,954,993.96 | 186,427,690.76 | 178,205,379.48 |
| 资产平衡项目 | 0 | 0 | 0 | 0 |
| 资产总计 | 1,625,622,780.87 | 1,348,792,630.79 | 1,121,322,207.03 | 1,073,677,106.03 |
| 流动负债: | | | | |
| 短期借款 | 152,859,908.34 | 239,534,658.35 | 215,192,157.78 | 145,848,157.77 |
| 交易性金融负债 | - | 4,116,600 | - | 1,547,150 |
| 应付票据及应付账款 | 702,226,001.92 | 394,678,777.56 | 271,537,030.07 | 334,927,375.12 |
| 其中：应付票据 | 683,177,956.49 | 371,331,561.13 | 254,744,894.71 | 323,265,090.5 |
| 应付账款 | 19,048,045.43 | 23,347,216.43 | 16,792,135.36 | 11,662,284.62 |
| 合同负债 | 12,597,156.13 | 1,517,101.5 | 1,058,000.4 | 6,218,489.84 |
| 应付职工薪酬 | 4,447,408.25 | 4,851,660.92 | 3,694,281.17 | 3,728,900.89 |
| 应交税费 | 2,315,493.75 | 5,368,581.3 | 3,889,347.64 | 3,828,100.81 |
| 其他应付款合计 | 52,489,194.7 | 54,732,987.94 | 5,114,902.3 | 1,506,479.44 |
| 一年内到期的非流动负债 | 48,909,829.24 | 51,823,948.79 | 10,064,708.87 | 6,115,328.16 |
| 其他流动负债 | 3,982,078.73 | 6,097,066.99 | 8,970,507.76 | 9,372,219.87 |
| 流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 流动负债合计 | 979,827,071.06 | 762,721,383.35 | 519,520,935.99 | 513,092,201.9 |
| 非流动负债: | | | | |
| 长期借款 | 14,000,000 | 20,000,000 | 60,060,088.89 | 44,050,111.11 |
| 递延收益 | 21,139,825.62 | 22,730,270.31 | 23,317,567.48 | 22,432,933.21 |
| 递延所得税负债 | 983,659.02 | 3,469.87 | 10,116.77 | 3,011.06 |
| 非流动负债平衡项目 | 0 | 0 | 0 | 0 |
| 非流动负债合计 | 36,123,484.64 | 42,733,740.18 | 83,387,773.14 | 66,486,055.38 |
| 负债平衡项目 | 0 | 0 | 0 | 0 |
| 负债合计 | 1,015,950,555.7 | 805,455,123.53 | 602,908,709.13 | 579,578,257.28 |
| 所有者权益(或股东权益): | | | | |
| 实收资本(或股本) | 92,045,468 | 92,045,468 | 92,045,468 | 92,045,468 |
| 资本公积 | 142,440,871.2 | 142,440,871.2 | 142,440,871.2 | 142,440,871.2 |
| 其他综合收益 | 14,188,595.27 | -3,611,166.22 | 2,492,816.88 | -2,035,686.62 |
| 盈余公积 | 28,983,650.83 | 28,983,650.83 | 19,856,122.27 | 19,856,122.27 |
| 未分配利润 | 327,906,817.95 | 280,150,367.05 | 258,352,187.8 | 238,647,869.03 |
| 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 | 605,565,403.25 | 540,009,190.86 | 515,187,466.15 | 490,954,643.88 |
| 少数股东权益 | 4,106,821.92 | 3,328,316.4 | 3,226,031.75 | 3,144,204.87 |
| 股东权益平衡项目 | 0 | 0 | 0 | 0 |
| 股东权益合计 | 609,672,225.17 | 543,337,507.26 | 518,413,497.9 | 494,098,848.75 |
| 负债和股东权益合计 | 1,625,622,780.87 | 1,348,792,630.79 | 1,121,322,207.03 | 1,073,677,106.03 |
| 公告日期 | 2025-07-31 | 2025-03-26 | 2024-11-08 | 2024-08-26 |
| 审计意见(境内) | | 标准无保留意见 | | 标准无保留意见 |