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),1.98,1.33,0.59,2.6,1.64,0.98,0.39,2.16,1.4,0.98,0.44,2.38,1.49,0.94,0.43,2.27,1.69,1.05,0.4,2.46,1.74,1.14,0.42,2.69,1.95,1.34,0.42,3.08,2.1,1.41,--,3.43,3.43,3.15, 应收账款周转天数(天),136.35,134.87,153.01,138.63,164.3,182.91,229.07,166.29,192.46,184.6,205.43,151.43,180.63,191.25,207.37,158.29,159.62,172.23,224.83,146.06,154.85,158.1,212.51,133.67,138.62,134.13,213.02,116.73,128.47,127.22,--,105.11,104.83,114.33, 存货周转率(次),1.81,1.21,0.6,2.3,1.58,0.96,0.36,1.67,1.1,0.79,0.37,1.76,1.09,0.73,0.36,1.7,1.25,0.85,0.32,1.84,1.09,0.77,0.29,1.92,1.17,0.94,0.29,1.95,1.32,0.92,--,1.75,1.61,1.63, 固定资产周转率(次),--,0.97,--,1.91,--,0.86,--,1.72,--,0.94,--,2.14,--,0.98,--,2.11,--,1.04,--,2.03,--,0.88,--,2.13,--,1.08,--,2.58,1.9,1.3,--,2.67,2.9,0.6, 总资产周转率(次),0.37,0.24,0.1,0.49,0.35,0.22,0.08,0.42,0.31,0.22,0.09,0.5,0.34,0.22,0.1,0.54,0.42,0.27,0.1,0.57,0.39,0.27,0.09,0.6,0.41,0.28,0.08,0.64,0.45,0.31,--,0.66,0.65,0.6, 存货周转天数(天),148.84,148.67,149.88,156.73,170.41,186.82,246.91,216.06,246.37,227.79,244.83,204.67,247.18,246.74,248.69,211.47,216.82,210.9,278.38,195.33,247.52,232.47,311.2,187.12,231.05,191.71,310.56,184.2,204.82,195.19,--,205.44,224.3,220.56, 总资产周转天数(天),722.12,743.19,867.05,734.54,770.33,824.18,1108.37,851.47,874.64,835.65,996.68,722.89,796.7,821.92,859.6,667.16,649.04,659.1,916.5,629.7,687.02,670.64,957.45,604.23,654.23,638.75,1162.79,566.84,594.58,571.79,--,546.37,553.51,595.24, 流动资产周转率(次),0.68,0.43,0.19,0.83,0.59,0.37,0.14,0.68,0.46,0.32,0.13,0.76,0.52,0.33,0.17,0.84,0.64,0.42,0.15,0.88,0.62,0.43,0.15,0.95,0.65,0.44,0.12,0.99,0.73,0.5,--,1,0.91,77.4, 流动资产周转天数(天),398.94,413.98,483.87,432.64,457.47,493.15,641.94,532.86,586.32,561.62,669.15,476.19,521.34,545.12,537.63,426.89,423.66,431.24,594.45,407.33,435.91,420.46,597.21,379.51,414.11,411.9,776.53,363.6,372.36,363.2,--,361.12,393.92,4.65, 经营现金净流量对销售收入比率(%),0.07,0.11,0.05,0.21,0.04,-0.03,-0.35,0.11,-0.09,-0.25,-0.59,0.12,0.07,-0.12,-0.4,0.12,-0.12,-0.23,-0.66,0.09,-0.12,-0.19,-0.54,0.03,-0.18,-0.03,-0.51,0.17,-0.05,-0.07,-0.66,0.19,0.13,0.02, 资产的经营现金流量回报率(%),0.02,0.02,0.01,0.1,0.01,-0.01,-0.03,0.04,-0.03,-0.05,-0.05,0.05,0.02,-0.02,-0.04,0.05,-0.05,-0.06,-0.07,0.04,-0.05,-0.05,-0.05,0.02,-0.07,-0.01,-0.03,0.1,-0.02,-0.02,--,0.12,0.08,0.01, 经营现金净流量与净利润的比率(%),0.5,0.75,0.77,1.74,0.37,-0.26,--,0.81,-0.75,-2.12,-51.12,0.9,0.57,-0.92,-16.81,0.83,-1,-1.87,--,0.56,-0.92,-1.41,-213.18,0.17,-1.27,-0.18,-10.61,1.04,-0.41,-0.51,--,1.13,0.65,0.11, 经营现金净流量对负债比率(%),0.04,0.04,0.01,0.17,0.02,-0.01,-0.05,0.06,-0.05,-0.12,-0.13,0.13,0.06,-0.06,-0.1,0.13,-0.14,-0.18,-0.22,0.14,-0.16,-0.22,-0.25,0.07,-0.42,-0.04,-0.12,0.28,-0.07,-0.06,--,0.34,0.2,0.03, 现金流量比率(%),6.11,5.96,1.3,24.02,3.65,-1.26,-6.29,6.58,-5.51,-13.23,-14.92,14.66,6.83,-7.23,-11.22,12.94,-13.75,-18.34,-22.18,14.77,-16.71,-22.68,-26.09,6.78,-44.83,-4.11,-14.01,31.71,-8.3,-7.5,--,37.63,19.88,3.21,