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(%),3.12,1.74,0.71,3.26,--,0.91,0.49,3.26,3.87,0.71, 主营业务利润率(%),11.86,100,100,11.16,10.96,10.42,9.72,9.95,8.11,10.96, 总资产净利润率(%),3.15,1.8,0.72,3.27,--,0.93,0.49,3.61,4.13,0.71, 成本费用利润率(%),5.32,--,--,4.27,3.71,2.46,2.24,4.17,4,1.4, 营业利润率(%),5.05,4.45,3.41,4.14,3.55,2.36,2.17,4.03,3.93,1.18, 主营业务成本率(%),87.9,--,--,88.6,88.8,89.34,90.01,89.79,91.58,88.93, 销售净利率(%),3.89,3.65,3.11,3.26,2.86,2.02,2.06,3.3,3.5,0.64, 净资产收益率(%),7.37,4.48,1.84,8.35,--,2.62,1.44,8.66,9.27,1.17, 股本报酬率(%),111.55,64.97,25.43,487.49,73.49,--,--,--,--,--, 净资产报酬率(%),7.48,--,--,34.74,--,2.46,1.3,8.79,9.26,1.84, 资产报酬率(%),3.12,1.74,0.71,13.94,--,0.91,0.49,3.26,3.87,0.71, 销售毛利率(%),--,--,--,--,--,--,9.99,10.21,8.42,11.07, 三项费用比重(%),5.41,0,0,6.53,6.43,6.24,6.52,6.04,6.03,7.25, 非主营比重(%),-9.14,0,0,12.97,13.29,23.18,49.48,13.71,58.66,-151.7, 主营利润比重(%),238.26,2273.26,2986.79,273.9,309.37,441.14,448.63,248.02,206.96,811.97,