报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2011-12-31,2010-12-31, 应收账款周转率(次),2.28,8.67,6.66,3.98,1.68,9.28,7.3,4.95,2.16,10.15,8.99,5.27,2.49,9.66,7.24,4.94,2.08,7.6,6.17,3.83,1.78,7.56,6.6,4.23,2.02,8.96,7.5,4.58,2.15,11.43,--,5.2,--,9.67,10.61,10.29, 应收账款周转天数(天),39.49,41.51,40.51,45.19,53.58,38.81,36.99,36.37,41.58,35.48,30.04,34.15,36.19,37.28,37.28,36.45,43.18,47.36,43.79,47.01,50.68,47.65,40.91,42.52,44.62,40.17,36,39.27,41.83,31.51,--,34.62,--,37.25,33.92,34.98, 存货周转率(次),4.15,17.64,12.18,7.4,2.59,17.15,10.92,7.2,3.78,17.06,13.57,8.15,3.77,17.69,12.52,7.44,3.73,14.27,10.18,6.48,3.1,12.8,8.16,5.63,2.82,12.01,7.55,5.05,2.22,13.74,--,5.88,--,11.5,11.86,11.07, 固定资产周转率(次),--,1.07,--,0.48,--,1.08,--,0.5,--,1.02,--,0.49,--,0.91,--,0.42,--,0.7,--,0.32,--,0.75,--,0.41,--,0.97,--,0.48,--,1.28,--,0.58,--,1.08,--,0.46, 总资产周转率(次),0.13,0.46,0.33,0.2,0.08,0.49,0.36,0.24,0.12,0.51,0.38,0.25,0.11,0.47,0.35,0.21,0.1,0.37,0.27,0.17,0.08,0.38,0.28,0.19,0.09,0.45,0.32,0.21,0.1,0.62,--,0.29,--,0.6,0.57,0.46, 存货周转天数(天),21.66,20.4,22.17,24.32,34.79,21,24.71,24.99,23.83,21.1,19.89,22.1,23.87,20.35,21.57,24.19,24.14,25.22,26.53,27.79,29.01,28.13,33.1,31.96,31.86,29.98,35.78,35.65,40.51,26.19,--,30.63,--,31.3,30.36,32.53, 总资产周转天数(天),715.99,785.34,812.27,897.76,1143.58,730.52,747.3,758.53,755.03,707.41,701.66,726.69,783.29,769.07,764.87,838.38,870.41,962.57,982.89,1040.46,1150.9,942.66,970.87,966.18,975.08,799.47,833.33,845.07,894.63,578.87,--,624.13,--,600.1,635.14,777.87, 流动资产周转率(次),0.49,1.83,1.35,0.79,0.32,2.17,1.63,1.09,0.55,2.41,1.85,1.16,0.56,2.12,1.54,0.96,0.43,1.69,1.23,0.82,0.37,1.71,1.24,0.79,0.39,2.02,1.55,1.05,0.47,3.01,--,1.39,--,2.82,2.64,221.06, 流动资产周转天数(天),182.41,196.9,200.43,226.56,279.59,166.08,165.75,164.41,162.57,149.11,145.87,154.53,161.73,169.67,175.76,186.86,207.04,213.19,219.05,220.51,245.1,210.01,218.04,226.44,233.4,178.34,174.76,171.74,191.12,119.75,--,129.81,--,127.85,136.3,1.63, 经营现金净流量对销售收入比率(%),0.03,0.2,0.17,0.15,0.17,0.17,0.2,0.19,0.11,0.12,0.16,0.12,0.13,0.2,0.19,0.23,0.21,0.34,0.4,0.47,0.51,0.32,0.39,0.42,0.46,0.24,0.32,0.23,0.26,0.25,0.29,0.26,0.25,0.19,0.12,0.21, 资产的经营现金流量回报率(%),0,0.09,0.06,0.03,0.01,0.08,0.07,0.04,0.01,0.06,0.06,0.03,0.01,0.09,0.07,0.05,0.02,0.13,0.11,0.08,0.04,0.12,0.11,0.08,0.04,0.1,0.1,0.05,0.03,0.14,--,0.07,--,0.11,0.07,0.1, 经营现金净流量与净利润的比率(%),0.39,1.52,1.11,1,3.03,1.84,1.98,1.75,1.28,1.57,1.68,1.31,2.6,2.1,1.76,2.04,2.18,1.86,1.69,1.73,2.47,1.51,1.69,1.79,2.93,1.47,1.93,1.3,1.8,1.72,1.77,1.6,2.03,1.96,1.91,2.33, 经营现金净流量对负债比率(%),0.01,0.27,0.17,0.08,0.04,0.23,0.21,0.13,0.04,0.17,0.17,0.08,0.04,0.23,0.18,0.13,0.06,0.34,0.29,0.22,0.11,0.32,0.28,0.18,0.08,0.2,0.19,0.1,0.05,0.27,--,0.14,--,0.22,0.13,0.19, 现金流量比率(%),2.91,60.66,43.1,18.22,10.01,63.22,59.22,33.71,10.1,41.26,44.04,17.89,9.68,54.6,49.46,35.71,15.47,85.94,71.72,55.43,27.4,77.93,73.42,42.8,26.65,59.62,42.09,23.04,11.22,54.95,--,28.08,--,47.18,24.96,40.27,