报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),4.07,15.17,12.11,8.13,3.71,14.66,10.84,8.05,4.21,16.42,12.51,8.33,4.21,17.4,12.84,8.32,4,19.55,15.62,10.77,5.55,23.53,--,11.68,--,26.57,33.51,33.12, 应收账款周转天数(天),22.11,23.73,22.29,22.14,24.25,24.56,24.9,22.37,21.38,21.92,21.59,21.61,21.37,20.69,21.02,21.63,22.49,18.41,17.29,16.71,16.22,15.3,--,15.41,--,13.55,10.74,10.87, 存货周转率(次),1,3.84,3.02,2.14,1.03,3.78,2.97,2.17,1.08,3.86,2.84,1.94,0.91,3.7,2.8,1.99,1,4.23,3.23,2.25,1.07,4.54,--,2.37,--,4.61,4.07,3.04, 固定资产周转率(次),--,24.46,--,12.72,--,19.45,--,9.47,--,15.98,--,7.72,--,13.79,--,6.65,--,13.9,--,8.31,--,15.02,--,7.29,--,--,--,1.45, 总资产周转率(次),0.32,1.21,0.91,0.63,0.31,1.09,0.82,0.61,0.3,1.07,0.78,0.53,0.25,1.12,0.82,0.69,0.34,1.54,1.11,0.78,0.38,1.96,--,1.01,--,1.93,--,1.45, 存货周转天数(天),90.19,93.65,89.26,84.26,87.39,95.25,90.95,82.83,83.6,93.31,95.15,92.9,98.94,97.39,96.53,90.51,89.71,85.09,83.6,80.02,84.04,79.22,--,75.98,--,78.15,88.51,118.5, 总资产周转天数(天),280.2,298.53,295.18,284.68,290.04,329.43,328.31,295.03,300.4,337.14,345.27,338.79,353.22,320.97,330.52,260.3,264.47,233.27,243.53,231.99,236.34,183.8,--,178.77,--,186.74,--,248.04, 流动资产周转率(次),0.58,2.23,1.73,1.19,0.58,1.82,1.34,0.9,0.44,1.48,1.08,0.73,0.34,1.53,1.12,1.03,0.48,2.16,1.49,0.99,0.48,2.79,--,1.47,--,2.9,2.68,200.62, 流动资产周转天数(天),156.17,161.64,156.29,150.68,154.88,197.86,201.69,199.42,206.61,242.72,250.42,246.81,261.63,234.67,241.44,174.86,186.03,166.69,181,181.09,186.03,129.08,--,122.51,--,124.22,134.38,1.79, 经营现金净流量对销售收入比率(%),0.1,0.09,0.08,0.09,0.08,0.07,0.07,0.06,0.07,0.07,0.07,0.06,0.07,0.04,0.07,0.05,0.07,0.06,0.08,0.05,0.12,0.1,0.09,0.09,0.11,0.09,0.05,0.1, 资产的经营现金流量回报率(%),0.03,0.11,0.07,0.05,0.02,0.06,0.05,0.04,0.02,0.07,0.05,0.03,0.02,0.03,0.04,0.03,0.02,0.07,0.07,0.03,0.04,0.17,--,0.09,--,0.15,0.1,0.15, 经营现金净流量与净利润的比率(%),1.37,1.58,1.25,1.27,1.2,1.16,1,0.76,1,1,1.1,0.86,1.12,0.61,1.11,0.71,1.07,1.02,1.22,0.76,1.88,1.49,1.41,1.3,1.72,1.56,1.16,2.16, 经营现金净流量对负债比率(%),0.06,0.22,0.16,0.12,0.05,0.14,0.11,0.1,0.06,0.2,0.17,0.11,0.07,0.11,0.15,0.07,0.06,0.18,0.16,0.1,0.1,0.32,--,0.17,--,0.3,0.19,0.25, 现金流量比率(%),7.16,25.86,19.96,15.37,6.88,17.62,12.58,10.54,6.01,20.37,17.58,11.8,6.82,11.66,15.62,7.5,5.77,17.91,16.37,9.79,10.54,32.62,--,17.18,--,30.16,19.48,25.25,