会计年度:2021-12-31收入分布
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| 项目名称 | 主营业务收入 | 主营业务成本 | 主营业务毛利 | 毛利率 |
| 地铁行业 | 63,684,136.03 | 51,871,688.27 | 11,812,447.76 | 18.55 |
| 工业与民用行业 | 209,794,739.14 | 169,155,387.04 | 40,639,352.10 | 19.37 |
| 合计 | 842,239,960.46 | 692,057,874.89 | 150,182,085.57 | 17.83 |
| 核电行业 | 206,515,797.31 | 151,668,278.71 | 54,847,518.60 | 26.56 |
| 煤化工行业 | 78,318,309.28 | 67,753,057.97 | 10,565,251.31 | 13.49 |
| 其他(补充) | 3,555,589.86 | 2,075,929.27 | 1,479,660.59 | 41.62 |
| 石化行业 | 193,290,638.96 | 175,113,422.20 | 18,177,216.76 | 9.40 |
| 隧道行业 | 12,833,006.99 | 10,403,010.20 | 2,429,996.79 | 18.94 |
| 新兴化工行业 | 74,247,742.89 | 64,017,101.23 | 10,230,641.66 | 13.78 |
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会计年度:2020-12-31
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| 项目名称 | 主营业务收入 | 主营业务成本 | 主营业务毛利 | 毛利率 |
| 地铁行业 | 49,823,771.36 | 35,522,870.99 | 14,300,900.37 | 28.70 |
| 工业与民用行业 | 138,497,713.97 | 97,112,492.66 | 41,385,221.31 | 29.88 |
| 合计 | 798,608,043.63 | 620,405,747.98 | 178,202,295.65 | 22.31 |
| 核电行业 | 180,749,087.07 | 124,564,310.59 | 56,184,776.48 | 31.08 |
| 煤化工行业 | 83,860,078.77 | 71,549,646.57 | 12,310,432.20 | 14.68 |
| 其他(补充) | 5,000,219.05 | 2,445,120.54 | 2,555,098.51 | 51.10 |
| 石化行业 | 249,510,980.16 | 213,420,152.30 | 36,090,827.86 | 14.46 |
| 隧道行业 | 11,664,712.40 | 8,186,811.38 | 3,477,901.02 | 29.82 |
| 新兴化工行业 | 79,501,480.85 | 67,604,342.95 | 11,897,137.90 | 14.96 |
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会计年度:2019-12-31
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| 项目名称 | 主营业务收入 | 主营业务成本 | 主营业务毛利 | 毛利率 |
| 地铁行业 | 27,568,433.88 | 21,511,780.57 | 6,056,653.31 | 21.97 |
| 工业与民用行业 | 122,463,773.85 | 90,651,920.15 | 31,811,853.70 | 25.98 |
| 合计 | 848,682,354.92 | 617,674,089.03 | 231,008,265.89 | 27.22 |
| 核电行业 | 229,583,151.06 | 136,384,105.41 | 93,199,045.65 | 40.59 |
| 煤化工行业 | 90,850,098.64 | 72,284,625.22 | 18,565,473.42 | 20.44 |
| 其他(补充) | 3,309,043.32 | 2,018,107.24 | 1,290,936.08 | 39.01 |
| 其他收入 | 3,309,043.32 | 2,018,107.24 | 1,290,936.08 | 39.01 |
| 石化行业 | 277,070,346.67 | 217,605,994.45 | 59,464,352.22 | 21.46 |
| 隧道行业 | 12,262,262.47 | 8,918,811.77 | 3,343,450.70 | 27.27 |
| 新兴化工行业 | 85,575,245.03 | 68,298,744.22 | 17,276,500.81 | 20.19 |
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会计年度:2019-06-30
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| 项目名称 | 主营业务收入 | 主营业务成本 | 主营业务毛利 | 毛利率 |
| 特种材料及能源工程管件装备 | 208,956,902.86 | 146,131,530.31 | 62,825,372.55 | 30.07 |
| 通风与空气处理系统设备 | 95,652,978.12 | 68,861,717.98 | 26,791,260.14 | 28.01 |
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会计年度:2018-12-31
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| 项目名称 | 主营业务收入 | 主营业务成本 | 主营业务毛利 | 毛利率 |
| 地铁行业 | 24,597,097.82 | 20,508,718.94 | 4,088,378.88 | 16.62 |
| 工业与民用行业 | 123,701,985.52 | 98,151,273.97 | 25,550,711.55 | 20.66 |
| 合计 | 951,670,130.85 | 672,976,866.21 | 278,693,264.64 | 29.28 |
| 核电行业 | 175,329,173.00 | 100,956,420.84 | 74,372,752.16 | 42.42 |
| 煤化工行业 | 116,878,298.92 | 88,551,032.36 | 28,327,266.56 | 24.24 |
| 其他(补充) | 8,606,606.90 | 5,756,373.50 | 2,850,233.40 | 33.12 |
| 其他收入 | 8,606,606.90 | 5,756,373.50 | 2,850,233.40 | 33.12 |
| 石化行业 | 391,377,220.35 | 270,719,604.11 | 120,657,616.24 | 30.83 |
| 隧道行业 | 17,447,254.50 | 14,373,653.58 | 3,073,600.92 | 17.62 |
| 新兴化工行业 | 93,732,493.13 | 73,959,788.91 | 19,772,704.22 | 21.09 |
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