报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),28.39,13.18,5.75,32.92,21.01,15.82,5.34,31.14,16.77,9.83,3.56,24.6,12.37,10.81,4.5,20.6,11.78,7.11,2.99,16.84,12.79,9.47,3.93,16.04,--,--,--,16.68,28.63,33.47,35.41, 应收账款周转天数(天),9.51,13.66,15.65,10.94,12.85,11.37,16.84,11.56,16.1,18.31,25.25,14.64,21.83,16.65,20.02,17.47,22.92,25.33,30.1,21.37,21.12,19.02,22.93,22.45,--,--,--,21.59,12.57,10.76,10.17, 存货周转率(次),2.33,1.39,0.64,3.12,2.34,1.34,0.88,3.85,2.51,1.49,0.63,4.32,3.14,2,1.01,4.84,2.65,1.6,0.82,2.78,1.92,1.24,0.53,3.17,--,--,--,3.9,4.55,5.38,6.08, 固定资产周转率(次),--,1.36,--,2.72,--,1.64,--,3.84,--,1.75,--,3.56,--,1.57,--,3.19,--,1.36,--,2.35,--,1.17,--,3.73,--,--,--,--,--,--,1.62, 总资产周转率(次),0.58,0.35,0.16,0.68,0.56,0.35,0.2,0.83,0.56,0.34,0.14,0.75,0.56,0.35,0.15,0.76,0.54,0.35,0.17,0.57,0.37,0.24,0.12,0.7,--,--,--,0.94,--,--,1.62, 存货周转天数(天),115.68,129.88,140.8,115.4,115.62,134.05,102.83,93.44,107.64,120.94,143.45,83.3,85.86,90.19,89.4,74.37,102.08,112.37,109.56,129.42,140.42,144.85,168.73,113.49,--,--,--,92.36,79.09,66.95,59.22, 总资产周转天数(天),463.68,511.07,576.55,526.47,480.68,512.53,447.98,431.45,481.71,525.7,624.13,480.19,478.05,519.63,602.01,475.44,496.05,513.7,521.44,627.4,728.94,747.51,731.71,517.39,--,--,--,383.35,--,--,222.74, 流动资产周转率(次),1.28,0.77,0.33,1.5,1.23,0.78,0.44,1.74,1.11,0.67,0.28,1.41,1.05,0.64,0.28,1.54,1.13,0.76,0.38,1.26,0.69,0.45,0.25,1.4,--,--,--,1.68,1.8,2.09,222.53, 流动资产周转天数(天),211.53,234.28,269.95,240.14,219.94,230.03,204.22,207.3,243.77,270.11,320.4,254.67,257.19,279.46,322.12,233.48,239.17,237.31,235.73,285.26,393.76,401.79,354.75,257.79,--,--,--,214.8,199.62,172.4,1.62, 经营现金净流量对销售收入比率(%),0,-0.01,-0.03,-0.06,-0.05,-0.12,-0.2,0.11,0.11,0.13,0.21,-0.06,-0,0.02,-0.04,0.18,0.03,-0.04,-0.06,0.1,0.07,0.08,-0.43,0.1,-0.07,0.15,-0.33,-0.01,0.02,0.07,0.1, 资产的经营现金流量回报率(%),0,-0,-0.01,-0.04,-0.03,-0.04,-0.04,0.08,0.06,0.04,0.03,-0.04,-0,0.01,-0.01,0.12,0.01,-0.01,-0.01,0.05,0.02,0.02,-0.05,0.07,--,--,--,-0,0.03,0.1,0.15, 经营现金净流量与净利润的比率(%),0,-0.1,-0.49,-1.79,-1.51,-2.97,-10.09,2.07,1.92,1.96,7.64,-1.03,-0.06,0.35,-0.9,2.98,0.54,-1.02,-2.52,1.15,0.83,0.97,-8.34,1.31,-1,2.12,-10.87,-0.08,0.44,0.89,1.2, 经营现金净流量对负债比率(%),0,-0,-0.01,-0.06,-0.04,-0.07,-0.07,0.18,0.12,0.09,0.07,-0.09,-0,0.02,-0.01,0.26,0.03,-0.03,-0.02,0.14,0.07,0.05,-0.11,0.14,--,--,--,-0.01,0.07,0.31,0.45, 现金流量比率(%),0.02,-0.57,-1.35,-9.5,-6.77,-11.58,-11.22,26.97,17.88,14.72,10.73,-14.3,-0.62,2.72,-2.4,45.41,3.42,-3.45,-2.42,14.81,8.87,6.5,-11.85,20.09,--,--,--,-1.3,6.68,34.98,45.33,