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1、报告要点报告日期2020-09-03行业研究深度报告评级看好I维持市场表现比照图(近12个月)建筑与工程 沪深300指数36%24%12%0%-12%-24% 111u2019-92019-122020-32020-52020-8资料来源:Wind相关研究布局构件制造的低估值施工龙头值得 重视2020-08-23亟待完善,静候佳音一从税收视角 看国内公募基建R日益2020-08-167月投资增速回升,低估值基建链值 得重视2020-08-16建筑与工程Q2经营加快修复,基建、装配式景气向上 建筑行业2020年中报综述 建筑行业:上半年收入、业绩降速,经营质量下降,Q2快速修复2020H1业绩下
2、滑,Q2快速修复。2020H1上市建筑企业实现营收2.64万亿元,同增 6.18%,较2019年降速9.93pct;实现归属净利润713.20亿元,同增-5.76%,较2019 年降速15.31 pct。上半年行业收入降速主要源于疫情影响致企业收入确认放缓,业绩下 滑主要源于:D企业各项本钱支出较为刚性,导致盈利能力下降;2)受高速公路免收 通行费政策影响,局部央企业绩出现较大幅度下滑。不过随着Q2以来国内疫情逐步得 到有效控制,企业复工复产明显加快,Q2行业实现收入1.64万亿元,同增17.42% 较Q1提速25.73pct,实现归属净利润466.76亿元,同增7.33%,较Q1提速30.7
3、8pct 经营现金流有所下降,杠杆率回升,回款及偿债压力加大。2020H1上市建筑企业经营 现金流净流出2731亿元,同比多流出172亿元,一方面源于下游业主现金支付减少, 另一方面那么因央国企加大对民企应收款项清欠,表现为行业垫资比例较年初上升 0.52pct至50.34%,回款压力仍然较大,对上游占款那么较期初基本持平;2020H1末行 业资产负债率较年初回升0.62pct至75.09%,从债务结构上看,行业有息负债率上升 明显,2020H1末较年初大幅上升3.05pct至29.25%,偿债压力加大。 子板块:石油工程、钢结构业绩快速增长,国际工程、装饰下滑明显 建咨询行业受人员固定本钱支
4、出较为刚性影响,上半年业绩出现较大幅度下滑;园林 立业受工期延误及资金瓶颈干扰,收入、业绩均出现较大幅度下滑;与园林情况类似的 装饰行业,新签订单和收入增速均有所放缓,业绩同比降幅扩大;化学工程和国际工程 受油价下跌及海外疫情扩散影响,收入、业绩均出现不同程度下滑;石油工程业绩增幅 较快主因中海油服收到和解收入1.88亿美元;钢结构,政策催化助力钢结构需求相对 景气,上半年收入仅略微下降,企业盈利能力提不商业绩维持较快增长;基建行业受 益于头部央企集中度提升,收入维持稳健增长,不过受上半年高速公路免收通行费政策 影响业绩出现负增长;房建行业受益于地产工程复工偏晚影响叠加本钱支出刚性影响, 业绩
5、有所下滑;专业工程板块收入保持稳健增长,业绩增速略有放缓。 投资建议:看好装配式、基建链两条主线Q2以来基建需求与资金共振,投资快速修复,预计全年投资增速或需到达7%左右, 对应8-12月增速在两位数以上;装配式建筑作为未来行业开展大势所趋,政策推动下 需求迎来渗透率与装配率双重扩张,未来5年空间翻倍以上。鉴于装配式行业成长空间 广阔+基建需求总体景气,继续看好装配式及基建链两条主线:D装配式产业链建议关 注设计端的华阳国际及中衡设计、专注钢结构制造的鸿路钢构、从钢结构分包稳步向总 包转型的精工钢构、早有布局装配式装修并具备一定规模的亚厦股份、柯利达、金螳螂; 2)基建链看好前端勘察设计(中设
6、集团、苏交科)、施工端建筑央企(中国铁建、中国 中铁、中国交建、中国建筑)以及受益于生态环保需求放量的园林(东珠生态等)。风险提示:1.基建资金到位情况不及预期;2装配式建筑推广政策力度不及预期。图10:建筑行业有息负债率30%29%28%27%26%资料来源:Wind,长江证券研究所子板块:石油工程、钢结构业绩快速增长,国际 工程、装饰下滑明显我们将建筑行业划分为10个子行业进行分析。建筑行业企业众多,不同企业所在的行 业属性及竞争状况差异较大。我们对117家建筑上市公司按照行业属性划分为装饰、专 业工程、园林、石油工程、基建、化学工程、国际工程、工程咨询、钢结构、房建10个 子行业,并对子
7、行业的收入、利润增长状况,盈利能力指标、垫资情况及现金流等重要 指标进行分析。收入:大局部子行业上半年收入下滑上半年6个子行业收入出现不同程度下滑,石油工程及专业工程实现两位数增长。2020H1建筑各子行业收入普遍下滑,其中3个子行业降幅超过10%,从低到高依次为 园林(-21.15%).装饰(-18.67%)、国际工程(-11.22%);石油工程、专业工程、基建、 房建4个子行业收入实现正增长,分别同增16.67%、10.22%、8.16%、5.59%。从季度上看,2020Q2大局部子行业收入实现正增长,其中基建、房建、工程咨询、专 业工程、化学工程增幅超过10%,分别到达20.03%、18
8、.73%、12.14%、10.39%、 10.21%;仅装饰、园林、国际工程3个子行业收入仍同比下滑,增速分别为-4.13%、 5,24%. -8.66% (主要受海外疫情扩散影响)。表2: 2014-2020Q2建筑各子行业收入同比变动情况2014201520162017201820192020H12019Q12019Q22019Q32019Q42020Q12020Q2装饰15.81%-7.04%9.11%10.76%16.22%5.89%-18.67%10.74%8.19%3.25%3.17%-38.14%-4.13%专业工程8.36%1.02%-0.43%9.77%17.64%16.87
9、%10.22%13.65%31.43%25.53%4.10%9.96%10.39%园林17.14%12.59%32.95%53.67%0.69%-18.85%-21.15%-22.31%-31.37%-14.31%-6.48%-49.63%-5.24%石油工程15.00%-28.55% -30.75%1.33%20.84%38.21%16.67%62.99%48.41%31.84%27.80%33.51%4.26%基建7.67%5.91%6.16%10.55%6.61%15.28%8.16%13.71%16.49%16.14%14.71%-6.79%20.03%化学工程12.34%-7.97%
10、-18.15%12.11%41.68%24.86%-6.57%22.78%12.64%25.40%33.08%-27.34%10.21%国际工程69.56%-9.24%19.98%9.58%-3.11%21.99%-11.22%1.74%59.00%8.08%23.06%-15.03%-8.66%工程咨询6.30%24.70%15.69%26.01%23.62%8.80%-0.25%12.06%3.76%2.20%14.90%-15.68%12.14%钢结构-4.78%-1.57%12.89%20.42%25.92%15.42%-3.74%29.57%20.40%20.38%0.56%-13.
11、98%4.11%房建14.82%9.25%7.58%9.44%14.14%18.55%5.59%14.25%21.05%17.03%20.53%-11.18%18.73%资料来源:Wind,长江证券研究所利润增长:业绩普降,石油工程、钢结构表现亮眼上半年10个子行业中,7个子行业业绩出现不同程度下滑,仅石油工程、钢结构、专业 工程3个子行业实现正增长,同比增幅分别到达394.87%、26,75%. 3.02%,其中石 油工程业绩高增主要受益于中海油服上半年收到和解收入1.88亿美元,钢结构业绩增 速较快那么主要受益于企业盈利能力增强。从季度上看,2020Q2国际工程受海外疫情扩散影响,业绩出现
12、较大幅度下滑,同比降 幅到达28.55%, 7个子行业单季度业绩实现正增长,其中园林、石油工程、钢结构、房 建4个子行业业绩增速超过10%,分别到达148.67%、33.88%、19.56%、11.99%。表3: 2014-2020Q2建筑各子行业归属净利润同比变动情况资料来源:Wind,长江证券研究所2014201520162017201820192020H12019Q12019Q22019Q32019Q42020Q12020Q2装饰17.89%-16.01%-2.51%12.65%-4.77%-14.47%-46.39%15.19%-19.05%-9.94%-86.79%-94.82%0.
13、43%专业工程24.88%29.62%8.40%18.36%11.72%4.87%3.02%8.90%10.27%10.57%-3.98%-0.89%6.77%园林0.11%-13.41%80.07%23.58%-41.97%-121.95%-26.57%-143.32%-79.33%-37.13%亏损扩大 亏损扩大148.67%石油工程23.93%-61.47% -320.12% 扭亏为盈-52.48%533.52%394.87%减亏-2.44%719.06%-43.15%扭节盈33.88%基建11.79%13.08%10.31%21.31%4.37%12.16%-8.76%17.56%6.
14、12%16.61%11.12%-25.55%3.32%化学工程-1.32%-11.71%-39.22%-13.05%39.51%42.60%-14.99%45.68%35.08%47.40%45.87%-29.70%-6.06%国际工程132.84%41.27%25.58%5.71%-7.01%-0.45%-47.44%7.88%-17.43%-11.49%27.54%-77.96%-28.55%工程咨询-4.25%13.87%23.37%34.20%25.25%6.73%-19.71%19.80%1.96%13.34%-0.23%-37.42%-6.91%钢结构-17.54%8.01%57.
15、76%37.34%-20.03%32.48%26.75%30.84%1.99%45.74%295.50%39.43%19.56%房建12.36%15.86%12.66%14.63%14.26%12.69%-0.99%16.49%4.49%22.35%11.22%-16.72%11.99%毛利率:仅石油工程、房建有所提升10个子行业中,上半年仅石油工程、房建2个子行业毛利率同比有所提升,分别同增 5.85pctx 0.80pct至17.78%、10.73%,国际工程、园林、工程咨询毛利率同比降幅超过 1pct,分另ij同降 3.47pct、2.10pctx 1.55pct 至 13.28%、23
16、.26%、27.66%O从季度看,2020Q2仅房建、专业工程毛利率同比有所提升,分别同增0.71pct、0.18pct 至11.40%、11.09%,其余子行业均有所下滑。表4: 2014-2020Q2建筑各子行业毛利率变动情况2014201520162017201820192019H12020H1YOY2019Q22020Q2YOY装饰18.41%18.59%16.56%16.44%18.23%17.53%18.02%17.19%-0.83%17.79%17.29%-0.50%专业工程13.10%13.27%13.12%13.70%13.48%12.63%11.89%11.52%-0.37
17、%10.91%11.09%0.18%园林28.82%27.30%27.32%26.93%26.08%23.24%25.36%23.26%-2.10%25.49%24.16%-1.34%石油工程31.07%23.50%-0.08%15.27%11.12%16.70%11.93%17.78%5.85%15.35%12.47%-2.88%基建11.85%12.47%10.90%11.08%11.48%11.17%11.08%10.46%-0.62%11.09%10.42%-0.67%化学工程13.93%14.30%14.48%15.34%11.89%10.97%12.41%11.94%-0.47%1
18、2.97%12.24%-0.73%国际工程13.94%15.60%16.76%18.01%15.51%16.47%16.75%13.28%-3.47%16.73%13.50%-3.23%工程咨询26.87%28.40%28.73%29.52%29.32%29.65%29.21%27.66%-1.55%29.81%27.82%-1.99%钢结构17.21%18.60%19.07%18.58%16.70%16.23%16.70%16.66%-0.04%17.66%17.00%-0.66%房建11.87%11.87%10.01%10.34%11.63%10.96%9.93%10.73%0.80%10
19、.68%11.40%0.71%资料来源:Wind,长江证券研究所期间费用率:仅专业工程、基建、石油工程、钢结构同 比下降10个子行业中,2020H1仅专业工程、基建、石油工程、钢结构4个子行业期间费用率 (含研发费用)同比实现下降,分别同降0.72pct、0.45pct、0.45pct、0.35pct至6.29%、6.04%、7.16%、9.57%,其余子行业均有不同程度上升。从季度来看,2020Q2大局部子行业期间费用率实现下降,仅国际工程、房建、石油工 程、化学工程4个子行业有所上升,分别同增1.23pct、0.93pctx 0.55pcts 0.50pct至 7.09%、4.42%、6.
20、36%、6.08,园林及装饰行业降幅明显,分别同降2.94pct、1,44pct 至 14.49%、8.58%o表5: 2014-2020Q2建筑各子行业期间费用率变动情况2014201520162017201820192019H12020H1YOY2019Q22020Q2YOY装饰4.74%6.24%6.71%7.91%9.83%10.08%10.73%11.21%0.49%10.02%8.58%-1.44%专业工程6.99%6.73%6.81%7.87%7.72%7.56%7.01%6.29%-0.72%6.79%6.16%-0.63%园林11.70%12.59%12.29%11.70%1
21、6.19%18.38%21.44%22.07%0.63%17.43%14.49%-2.94%石油工程5.17%5.65%7.43%11.80%9.08%8.35%7.60%7.16%-0.45%5.82%6.36%0.55%基建5.78%6.09%6.14%6.44%6.75%6.58%6.49%6.04%-0.45%6.19%5.58%-0.61%化学工程5.84%6.55%7.52%8.45%6.43%5.83%6.11%6.28%0.16%5.58%6.08%0.50%国际工程5.21%3.12%4.16%7.25%5.82%7.25%7.48%7.93%0.45%5.86%7.09%1
22、.23%工程咨询12.78%14.66%14.74%14.63%14.69%15.28%15.29%15.78%0.49%14.40%14.10%-0.29%钢结构11.10%12.22%10.87%10.14%10.56%10.32%9.92%9.57%-0.35%9.41%8.67%-0.73%房建3.37%3.45%3.53%3.76%4.49%4.36%3.66%4.45%0.79%3.49%4.42%0.93%资料来源:Wind,长江证券研究所管理费用率:半数子行业上升,半数下降10个子行业中,上半年5个子行业管理费用(含研发)率同比上升,其余5个子行业 有所下降,其中国际工程、石油
23、工程、房建上升幅度较大,分别同增0.84pct、0.60pct、 0.57pct至5.53%、5.17%、3.28%,园林降幅较为明显,同比下降0.52pct至11.79%。从季度来看,10个子行业2020Q2管理费用率(含研发)仅房建、石油工程2个子行 业同比上升,分别同增0.87pct、0.22pct至3.40%、4.67%,其余子行业均有不同程度 下降。表6: 2014-2020Q2建筑各子行业管理费用率(含研发费用)变动情况资料来源:Wind,长江证券研究所2014201520162017201820192019H12020H1YOY2019Q22020Q2YOY装饰2.50%3.40
24、%3.56%4.17%5.84%6.19%6.36%6.85%0.49%6.03%5.58%-0.44%专业工程4.55%4.90%5.11%5.71%5.88%6.02%5.26%4.93%-0.32%5.43%4.84%-0.59%园林8.38%9.12%8.91%8.24%10.39%10.74%12.31%11.79%-0.52%10.07%8.01%-2.06%石油工程4.06%4.60%5.62%5.37%7.22%6.11%4.57%5.17%0.60%4.45%4.67%0.22%基建4.18%4.54%4.73%4.80%5.03%5.04%4.76%4.56%-0.20%4
25、.72%4.33%-0.39%化学工程5.52%6.16%7.21%7.09%5.89%5.32%5.51%5.99%0.49%5.78%5.49%-0.29%国际工程3.45%3.60%3.63%3.79%4.23%5.01%4.69%5.53%0.84%4.99%4.95%-0.04%工程咨询10.25%12.53%12.35%11.95%12.15%12.73%12.77%12.70%-0.07%12.18%11.29%-0.89%钢结构5.94%6.97%6.69%6.21%6.94%6.82%6.59%6.49%-0.10%6.34%5.96%-0.38%房建2.15%2.19%2.
26、31%2.43%2.95%3.42%2.71%3.28%0.57%2.53%3.40%0.87%销售费用率:装饰、国际工程下降明显上半年6个子行业销售费用率同比有所下滑,其中装饰及国际工程降幅较为明显,分别 同降0.18pct、0.17pct至2.57%、2.89%,工程咨询上升幅度相对较大,同增0.14pct 至2.16%,其他子行业变动幅度均相对较小。从季度来看,2020Q2仅工程咨询子行业销售费用率同比有所上升,同增0.08pct至 2.02%,其余子行业均有不同程度下降。表7: 2014-2020Q2建筑各子行业销售费用率变动情况资料来源:Wind,长江证券研究所20142015201
27、62017201820192019H12020H1YOY2019Q22020Q2YOY装饰1.72%2.09%2.35%2.58%2.60%2.52%2.75%2.57%-0.18%2.49%1.85%-0.64%专业工程0.74%0.77%0.83%0.87%0.81%0.80%0.73%0.66%-0.08%0.67%0.59%-0.07%园林0.90%0.93%0.95%1.01%1.46%1.43%1.52%1.56%0.04%1.20%1.10%-0.10%石油工程0.09%0.11%0.15%0.17%0.16%0.18%0.17%0.15%-0.02%0.16%0.14%-0.0
28、2%基建0.37%0.41%0.45%0.44%0.46%0.48%0.46%0.41%-0.05%0.45%0.37%-0.08%化学工程0.37%0.44%0.56%0.59%0.52%0.49%0.51%0.52%0.00%0.47%0.41%-0.06%国际工程1.91%1.59%2.45%2.57%2.82%2.47%3.05%2.89%-0.17%3.35%2.45%-0.89%工程咨询2.33%2.10%2.15%2.19%2.09%2.00%2.02%2.16%0.14%1.94%2.02%0.08%钢结构2.21%2.51%2.11%1.94%1.96%2.10%1.82%1
29、.80%-0.02%1.72%1.59%-0.13%房建0.26%0.26%0.33%0.33%0.31%0.30%0.27%0.28%0.01%0.25%0.25%0.00%财务费用率:园林增幅居前,石油工程降幅明显上半年园林子行业财务费用率同比上升幅度最大,同增1.12pct至8.72%,石油工程子 行业那么降幅相对明显,同降1.03pct至1.83%,其余子行业变动幅度相对不大。从季度来看,6个子行业2020Q2财务费用率同比上升,其中国际工程增幅居前,同增 2.16pct至-0.31pct;园林及装饰行业那么降幅较为明显,分别同降0.78pct、0.36pct至 5.38%、1.15%
30、o表8: 2014-2020Q2建筑各子行业财务费用率变动情况2014201520162017201820192019H12020H1YOY2019Q22020Q2YOY装饰0.53%0.75%0.80%1.16%1.39%1.37%1.61%1.80%0.18%1.51%1.15%-0.36%专业工程1.70%1.05%0.87%1.29%1.04%0.74%1.02%0.70%-0.32%0.70%0.73%0.04%园林2.41%2.54%2.42%2.45%4.34%6.22%7.60%8.72%1.12%6.16%5.38%-0.78%石油工程1.01%0.94%1.65%6.26%
31、1.70%2.06%2.86%1.83%-1.03%1.21%1.55%0.34%基建1.22%1.15%0.96%1.19%1.26%1.06%1.27%1.07%-0.20%1.02%0.88%-0.14%化学工程-0.05%-0.05%-0.25%0.77%0.01%0.02%0.10%-0.23%-0.33%-0.67%0.17%0.84%国际工程-0.16%-2.07%-1.92%0.89%-1.23%-0.23%-0.26%-0.48%-0.22%-2.47%-0.31%2.16%工程咨询0.20%0.03%0.24%0.49%0.45%0.55%0.50%0.92%0.42%0.
32、28%0.79%0.51%钢结构2.94%2.75%2.07%1.99%1.67%1.40%1.52%1.28%-0.24%1.34%1.12%-0.22%房建0.96%1.00%0.89%1.00%1.23%0.63%0.68%0.90%0.21%0.71%0.78%0.06%资料来源:Wind,长江证券研究所减值损失:大局部子行业同比上升上半年8个子行业资产及信用减值损失率同比均出现不同程度上升,其中石油工程、专 业工程上升幅度最为明显,分别同增1.66pct、0.76pct至4.00%、1.24%,仅国际工程 及钢结构子行业有所下降,分别同降0.87pct、0.01 pct至0.27%、
33、0.74%。从季度来看,5个子行业2020Q2资产及信用减值计提力度加大,其中专业工程、房建 子行业增幅最为明显,分别同增1.24pct、0.59pct至1.66%、0.75%,石油工程及国际 工程降幅明显,分另ij同降3.74pct、1.26pct至0.35%、0.43%。表9: 2014-2020Q2建筑各子行业资产减值损失率变动情况资料来源:Wind,长江证券研究所2014201520162017201820192019H12020H1YOY2019Q22020Q2YOY装饰2.15%1.85%2.33%1.76%2.63%2.67%1.01%1.45%0.44%2.19%2.52%0.
34、33%专业工程1.65%1.96%1.75%1.48%1.29%1.11%0.48%1.24%0.76%0.41%1.66%1.24%园林2.12%1.76%2.35%4.12%4.85%7.04%1.26%1.55%0.29%2.35%1.76%-0.59%石油工程1.19%4.54%30.18%1.89%1.89%3.76%2.35%4.00%1.66%4.09%0.35%-3.74%基建0.38%0.64%0.51%0.92%0.81%0.81%0.44%0.57%0.13%0.69%0.75%0.06%化学工程0.31%0.71%2.21%2.73%1.44%1.44%0.77%1.1
35、8%0.42%1.32%1.58%0.26%国际工程1.77%3.30%2.36%0.62%0.20%1.66%1.15%0.27%-0.87%1.69%0.43%-1.26%工程咨询1.96%2.49%2.58%3.16%3.52%3.39%2.42%2.64%0.22%3.69%3.63%-0.05%钢结构1.16%1.78%1.71%2.13%1.73%1.38%0.74%0.74%-0.01%1.86%1.86%0.00%房建0.50%0.43%0.52%0.59%0.80%0.28%0.07%0.46%0.39%0.15%0.75%0.59%归属净利率:仅石油工程、钢结构有所提升上半
36、年所有子行业中仅石油工程、钢结构2个子行业归属净利率同比有所提升,分别同 增5.20pct、1.68pct至6.80%、6.96%,国际工程、工程咨询、装饰子行业那么降幅明显, 分另ij 同降 2.86pct、2.01 pctx 1.80pct 至 4.15%、8.31%、3.48%。从季度来看,6个子行业归属净利率Q2同比下滑,其中石油工程、国际工程降幅明显, 分别同降1.84pct、1.58pct至8.97%、5.66%,园林及石油工程两个子行业那么同比上升 幅度较为明显,分另ij同增 5.89pct、1.30pct S9.51%x 5.89%。表10: 2014-2020Q2建筑各子行业
37、归属净利率变动情况资料来源:Wind,长江证券研究所2014201520162017201820192019H12020H1YOY2019Q22020Q2YOY装饰6.96%6.28%5.61%5.71%4.68%3.78%5.27%3.48%-1.80%4.68%4.91%0.22%专业工程1.89%2.42%2.63%2.84%2.70%2.42%2.56%2.39%-0.17%2.18%2.11%-0.07%园林10.81%8.31%11.26%9.06%5.22%-1.41%1.71%1.59%-0.12%3.62%9.51%5.89%石油工程20.97%11.31%-35.95%2.
38、24%0.88%4.03%1.60%6.80%5.20%4.59%5.89%1.30%基建2.41%2.58%2.68%2.94%2.88%2.80%3.02%2.55%-0.47%3.15%2.71%-0.44%化学工程5.14%4.93%3.66%2.84%2.80%3.20%4.37%3.97%-0.39%4.91%4.19%-0.73%国际工程5.15%8.02%8.40%8.10%7.77%6.34%7.01%4.15%-2.86%7.24%5.66%-1.58%工程咨询9.56%8.73%9.31%9.91%10.04%9.85%10.32%8.31%-2.01%10.81%8.9
39、7%-1.84%钢结构3.38%3.71%5.18%5.91%3.75%4.31%5.29%6.96%1.68%5.96%6.85%0.89%房建2.56%2.72%2.84%2.98%2.98%2.84%2.80%2.62%-0.17%2.73%2.58%-0.16%资金占用情况:9个子行业垫资程度较年初加大比照“(应收账款及票据+存货及合同资产+长期应收款)/总资产”指标,2020H1末10个 子行业中9个子行业垫资程度较期初加大,其中石油工程、国际工程、化学工程、房建 4个子行业垫资比例上升最为明显,较期初分别上升3.48pck1.79pctU.59pcts 1.01 pct 至24.3
40、6%、45.30%、43.60%、62.09%,仅钢结构子行业垫资比例较期下降0.25pct至 49.30%0表11: 2014-2020Q2各子行业(应收账款及票据+存货及合同资产+长期应收款)/总资产变动情况2014201520162017201820192020H1装饰69.37%67.93%65.76%62.60%64.40%66.40%66.91%专业工程57.45%56.29%56.31%55.64%52.45%50.28%51.23%园林67.41%62.60%61.60%60.36%64.18%63.21%63.55%石油工程16.07%13.66%11.24%13.06%16.73%20.89%24.36%基建52.17%48.07%46.89%47.32%42.52%43.84%44.10%化学