报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),4.48,2.83,1.38,5.45,4.06,2.76,1.36,5.61,4.14,2.84,1.42,5.39,4.11,2.9,1.46,5.93,4.35,3.1,1.59,5.89,4.32,3.03,1.51,6.24,4.63,3.21,1.61,6.8,--,--,--,5.9,5.97,5.95, 应收账款周转天数(天),60.24,63.59,65.18,66.07,66.55,65.16,66.14,64.13,65.19,63.45,63.46,66.81,65.66,62.17,61.64,60.73,62.13,58.15,56.49,61.14,62.51,59.39,59.47,57.65,58.32,56.13,55.95,52.91,--,--,--,61.02,60.27,60.52, 存货周转率(次),4.17,3.31,1.74,6.12,5,3.13,1.45,6.35,4.79,3.13,1.63,6.15,4.57,3.18,1.64,7.01,4.93,3.44,1.78,7.46,6.11,3.87,1.82,7.91,5.53,3.75,1.85,7.19,--,--,--,6.39,7.02,6.66, 固定资产周转率(次),--,4.37,--,6.89,--,2.85,--,6.24,--,3.07,--,6.78,--,3.51,--,7.22,--,3.31,--,5.5,--,2.37,--,4.88,--,2.43,--,5.01,--,--,--,--,--,1.34, 总资产周转率(次),0.81,0.54,0.28,1,0.71,0.44,0.21,1.16,0.91,0.61,0.31,1.22,0.82,0.57,0.3,1.11,0.8,0.48,0.25,0.99,0.73,0.5,0.23,1.19,0.89,0.59,0.34,1.48,--,--,--,1.38,--,1.34, 存货周转天数(天),64.78,54.32,51.75,58.86,53.96,57.59,62.03,56.69,56.31,57.59,55.22,58.52,59.12,56.68,54.73,51.32,54.73,52.35,50.43,48.27,44.21,46.55,49.41,45.54,48.87,48.06,48.75,50.09,--,--,--,56.36,51.3,54.08, 总资产周转天数(天),333.25,331.13,319.38,358.35,382.27,407.7,430,310.88,297.26,294.89,292.78,295.96,327.87,315.84,304.16,323.54,335.61,378.39,363.49,362.54,370.42,360.14,383.14,301.99,303.06,303.23,265.57,242.49,--,--,--,260.23,--,269.16, 流动资产周转率(次),0.99,0.65,0.34,1.27,0.89,0.57,0.28,1.57,1.22,0.83,0.42,1.62,1.07,0.75,0.38,1.41,1.02,0.59,0.3,1.29,0.96,0.68,0.32,1.71,1.28,0.85,0.52,2.33,--,--,--,2.26,2.23,202.94, 流动资产周转天数(天),272.81,275.48,263.93,284.41,302.55,318.58,317.91,229.28,220.82,217.58,214.9,222.81,252.64,240.51,233.83,255.28,265.72,307.53,295.86,279.44,281.69,264.16,285.71,210.4,210.76,211.79,173.98,154.22,--,--,--,159.4,161.38,1.77, 经营现金净流量对销售收入比率(%),0.06,0.05,-0.15,0.16,0.23,0.35,0.21,0.21,0.2,0.25,0.31,0.11,0.14,0.1,0.04,0.04,0.02,0,-0.03,0.1,0.1,0.09,0.08,0.12,0.09,0.11,0.11,0.11,0.21,0.14,0.06,0.09,0.1,0.09, 资产的经营现金流量回报率(%),0.05,0.02,-0.04,0.14,0.15,0.14,0.04,0.22,0.17,0.15,0.09,0.15,0.11,0.06,0.01,0.04,0.01,0,-0.01,0.08,0.07,0.04,0.02,0.13,0.07,0.06,0.04,0.16,--,--,--,0.12,0.13,0.12, 经营现金净流量与净利润的比率(%),0.73,0.58,-1.57,3.12,2.39,3.48,2.67,2.41,2.16,3.01,5.1,1.58,1.72,1.42,0.87,0.59,0.23,0.01,-0.32,0.86,0.91,0.74,0.67,1.36,1.07,1.38,1.26,1.41,2.64,1.72,0.75,1.03,1.06,0.98, 经营现金净流量对负债比率(%),0.09,0.04,-0.09,0.28,0.32,0.32,0.11,0.55,0.48,0.4,0.24,0.4,0.35,0.21,0.04,0.11,0.04,0,-0.02,0.2,0.17,0.15,0.05,0.43,0.2,0.16,0.09,0.33,--,--,--,0.21,0.23,0.18, 现金流量比率(%),11.4,4.74,-9.33,29.85,35.33,35.82,13.01,61.45,48.24,40.69,24.46,39.78,34.89,21.5,3.73,11.21,3.63,0.1,-1.76,20.44,17.09,15.07,4.75,43.77,20.95,16.67,8.81,33.38,--,--,--,21.77,23.81,18.96,