报告日期,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2017-12-31,2016-12-31, 总资产利润率(%),4.02,3.92,2.73,6.68,--,4.55,--,5.49,7.37,6.94, 主营业务利润率(%),27.46,27.5,27.72,24.6,25.05,25.28,24.81,24.61,24.04,21.43, 总资产净利润率(%),4.49,4.19,2.91,7,--,4.57,--,6.46,7.34,6.94, 成本费用利润率(%),7.24,9.44,12.18,6.48,7.42,8.04,9.73,5.23,5.29,4.77, 营业利润率(%),6.75,8.65,10.9,5.91,6.76,7.25,8.71,4.83,4.82,4.4, 主营业务成本率(%),71.9,71.85,71.68,74.73,74.28,74.05,74.49,74.75,75.33,77.92, 销售净利率(%),5.07,6.46,8.04,4.53,5.18,5.51,6.55,3.73,3.77,3.37, 净资产收益率(%),8.04,8.66,6.18,14.06,--,9.26,--,12.22,28.27,21.07, 股本报酬率(%),17.65,74.24,--,--,--,--,--,--,--,--, 净资产报酬率(%),8.04,37.26,34.48,42.89,--,9.26,--,12.22,28.27,21.07, 资产报酬率(%),4.02,16.87,15.26,20.36,--,4.55,--,5.49,7.37,6.94, 销售毛利率(%),--,--,--,--,--,--,--,25.25,24.67,22.08, 三项费用比重(%),21.05,19.08,16.78,19.16,18.62,18.27,16,20.04,19.36,17.01, 非主营比重(%),7.73,6.02,2.65,9.18,6.84,7.56,4.61,7.13,6.78,5.77, 主营利润比重(%),404.9,317.95,255.47,401.2,360.76,338.2,279.66,492.85,477,470.28,