报告日期,2020-12-31,2020-09-30,2020-06-30,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2017-12-31,2016-12-31, 总资产利润率(%),17.78,15.1,19.86,25.14,--,--,20.19,10.1,4.18, 主营业务利润率(%),36.51,38.39,41.28,29.84,28.66,28.65,26.11,26.36,29.87, 总资产净利润率(%),25.95,21.81,23.88,29.03,--,--,23.42,11.23,4.18, 成本费用利润率(%),38.53,41.72,50.01,24.08,21.69,23.06,18.06,11.59,5.61, 营业利润率(%),27.06,28.5,32.37,18.75,17.23,18.14,14.73,9.73,3.99, 主营业务成本率(%),63.07,61.12,58.19,69.64,70.87,70.79,73.41,73.1,69.41, 销售净利率(%),23.23,24.16,27.11,16.14,14.78,15.43,12.79,8.82,4.77, 净资产收益率(%),21.6,18.36,36.94,49.38,--,--,52.59,34.03,33.47, 股本报酬率(%),762.44,461.61,--,--,--,--,--,--,--, 净资产报酬率(%),29.18,18.36,36.94,49.38,--,--,52.59,34.03,33.47, 资产报酬率(%),24.02,15.1,19.86,25.14,--,--,20.19,10.1,4.18, 销售毛利率(%),--,--,--,--,--,--,26.59,26.9,30.59, 三项费用比重(%),6.8,6.77,5.94,7.71,8.12,7.28,7.84,13.36,21.69, 非主营比重(%),0.11,0.17,-0,0.48,0.45,0.48,0.21,3.49,29.06, 主营利润比重(%),134.83,134.57,127.66,159.15,166.31,158,176.86,261.32,579.57,