报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),4.53,3.17,1.49,5.9,4.15,2.7,1.5,6.51,4.41,2.66,1.28,6.11,4.12,3.04,1.78,7.38,5.59,3.58,1.93,6.79,--,--,--,6.87,8.64,10.15, 应收账款周转天数(天),59.58,56.86,60.35,61.03,65.02,66.72,60.2,55.29,61.23,67.73,70.1,58.96,65.52,59.21,50.63,48.77,48.31,50.3,46.69,52.99,--,--,--,52.41,41.68,35.46, 存货周转率(次),70.27,41.33,18.41,63.96,45.28,25.88,13.15,70.84,56.41,33.2,14.41,65.7,49.03,27.56,14.81,47.75,35.3,23.82,10.25,31.43,--,--,--,28.79,24.97,22.07, 固定资产周转率(次),--,22.56,--,34.18,--,14.25,--,36.19,--,16.31,--,31.65,--,14.17,--,25.8,--,13.13,--,18.51,--,--,--,--,--,2.65, 总资产周转率(次),0.91,0.53,0.24,1.26,0.96,0.59,0.29,1.53,1.18,0.7,0.32,1.51,1.17,0.75,0.38,1.83,1.38,0.92,0.61,2.15,--,--,--,2.24,--,2.65, 存货周转天数(天),3.84,4.36,4.89,5.63,5.96,6.96,6.84,5.08,4.79,5.42,6.24,5.48,5.51,6.53,6.08,7.54,7.65,7.56,8.78,11.45,--,--,--,12.5,14.42,16.32, 总资产周转天数(天),297.52,340.01,374.22,286.21,281.31,303.34,306.75,234.79,229.51,256.48,283.82,237.94,230.95,239.87,237.72,196.53,196.28,195.91,148.66,167.79,--,--,--,160.61,--,135.9, 流动资产周转率(次),1.8,0.98,0.43,2.09,1.47,0.84,0.4,1.91,1.41,0.83,0.37,1.73,1.33,0.85,0.43,2.17,1.63,1.09,0.79,2.81,--,--,--,2.89,3.23,357.59, 流动资产周转天数(天),149.88,183.19,211.27,172.22,183.18,214.41,223.82,188.77,192.06,216.95,242.65,207.73,202.64,210.55,210.28,165.59,165.32,165.56,114.49,128.24,--,--,--,124.73,111.55,1.01, 经营现金净流量对销售收入比率(%),-0.06,-0.06,-0.05,0.07,0.04,0.08,0.27,0.09,0.06,0.15,0.11,0.05,-0.01,-0.02,0.12,0.01,-0.01,-0.04,-0.06,0.14,0.11,0.11,-0.07,0.12,0.06,0.03, 资产的经营现金流量回报率(%),-0.05,-0.03,-0.01,0.08,0.04,0.05,0.08,0.13,0.07,0.11,0.03,0.07,-0.01,-0.02,0.04,0.01,-0.01,-0.02,-0.04,0.28,--,--,--,0.27,0.14,0.09, 经营现金净流量与净利润的比率(%),-1.98,-1.87,-1.01,1,0.48,0.83,2.44,1.22,0.74,1.91,1.15,0.68,-0.14,-0.49,2.18,0.07,-0.09,-0.43,-0.61,1.07,1.09,1.19,-0.8,1.31,0.67,0.58, 经营现金净流量对负债比率(%),-0.27,-0.12,-0.04,0.27,0.13,0.27,0.46,0.74,0.33,0.43,0.14,0.3,-0.04,-0.11,0.23,0.04,-0.04,-0.11,-0.12,0.83,--,--,--,0.73,0.34,0.23, 现金流量比率(%),-28.4,-12.27,-3.94,28.4,14.02,29.5,50.06,80.51,35.58,45.9,15.41,32.43,-4.79,-12.9,25.36,4.8,-4.75,-10.79,-11.77,82.85,--,--,--,75.31,33.85,23.4,