报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2017-12-31,2016-12-31, 总资产利润率(%),6.43,5.1,2.86,5.95,3.92,4.46,--,7.39,--,4.2,6.14,5.84,3.41, 主营业务利润率(%),31.51,33.06,35.62,29.72,32.29,34.82,38.17,30.07,36.99,37.23,31.53,29.77,28.24, 总资产净利润率(%),6.65,5.21,2.84,6.72,4.55,4.5,--,7.59,--,4.07,6.7,6.16,3.41, 成本费用利润率(%),24.78,26.99,36.33,16.34,19.26,23.96,24.22,16.79,19.75,22.68,15.8,15.98,12.62, 营业利润率(%),18.38,19.46,23.6,12.61,15.21,18.17,18.54,13.71,15.35,17.18,12.92,13.27,9.56, 主营业务成本率(%),67.74,66.12,63.45,69.47,66.76,64.28,60.77,69.16,62.07,61.76,67.57,69.25,70.37, 销售净利率(%),16.7,18.11,22.75,11.98,13.36,16.08,16.21,12.42,13.7,15.44,11.67,11.63,8.35, 净资产收益率(%),8.9,7.01,3.81,8.38,6.06,8.16,--,14.16,--,7.7,12.89,11.65,7.68, 股本报酬率(%),76.95,148.78,31.42,149.59,46.92,--,--,--,--,--,--,--,--, 净资产报酬率(%),8.9,17.57,3.81,18.84,6.06,24.08,--,29.65,--,7.7,12.89,11.65,7.68, 资产报酬率(%),6.43,12.79,2.86,13.38,3.92,13.15,--,15.46,--,4.2,6.14,5.84,3.41, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,32.43,30.75,29.63, 三项费用比重(%),9.54,10.25,9.47,10.56,11.36,10.71,14.71,12.01,15.12,13.46,13.65,12.97,14.96, 非主营比重(%),5.68,6.65,12.04,4.54,0.12,0.09,0.01,0.32,0.52,0.6,0.92,0.17,12.64, 主营利润比重(%),162.93,158.64,132.77,225.09,212.07,191.44,205.88,218.57,239.73,215.37,243.05,224.01,258.06,