报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),3.12,1.97,0.94,4.11,2.64,1.69,0.83,3.68,2.59,1.75,0.83,4.26,2.57,1.74,0.9,5.78,4.21,2.95,1.73,6.67,4.44,3.23,--,5.25,--,7.16,2.28,11.45,10.74,10.93, 应收账款周转天数(天),86.62,91.19,95.96,87.54,102.29,106.62,108.7,97.83,104.4,103.09,108.19,84.49,105.04,103.48,99.63,62.26,64.13,61.08,52.06,54.01,60.86,55.68,--,68.61,--,50.29,39.43,31.45,33.52,32.95, 存货周转率(次),4.12,2.78,1.22,6.12,4.05,2.34,0.96,4.18,2.41,1.55,0.69,3.77,2.57,1.53,0.71,3.75,2.42,1.64,0.93,3.53,2.89,1.85,--,4.56,--,6.17,1.34,5.53,4.5,4.03, 固定资产周转率(次),--,4.87,--,9.49,--,4.49,--,8.94,--,4.29,--,11.48,--,6.61,--,16.67,--,7.87,--,15.01,10.13,5.68,--,--,--,--,--,--,--,2.13, 总资产周转率(次),0.98,0.62,0.28,1.35,0.95,0.6,0.26,1.13,0.76,0.49,0.22,1.07,0.74,0.45,0.19,1.39,0.99,0.72,0.41,1.66,1.22,0.75,--,1.62,--,--,0.53,--,--,2.13, 存货周转天数(天),65.6,64.71,73.66,58.86,66.73,77.07,93.99,86.19,111.96,116.39,131.02,95.62,104.94,117.52,125.93,95.98,111.69,109.66,97.22,102.01,93.5,97.49,--,79.02,--,58.38,67.04,65.15,79.96,89.33, 总资产周转天数(天),274.59,288.74,319.94,267.04,283.52,299.6,347.22,317.74,355.64,368.93,407.79,336.86,364.23,402.77,470.22,259.42,272.42,251.12,222.17,216.49,220.66,239.2,--,222.52,--,--,168.92,--,--,169.29, 流动资产周转率(次),1.26,0.78,0.35,1.67,1.16,0.75,0.32,1.38,0.91,0.59,0.27,1.25,0.86,0.52,0.22,1.58,1.11,0.81,0.46,1.92,1.44,0.9,--,1.88,--,2.5,0.6,2.98,2.63,238.16, 流动资产周转天数(天),214.81,231.15,254.81,215.39,232.68,241.58,277.61,261.42,295.31,305.24,338.22,288.18,315.53,346.09,404.49,228.46,244.12,222.97,197.33,187.32,187.37,199.6,--,191.3,--,143.91,149.06,120.74,136.98,1.51, 经营现金净流量对销售收入比率(%),0.05,0.09,0.08,0.01,-0.03,-0.09,-0.07,0.06,-0,-0.04,-0.07,0.1,0.03,-0.03,-0.22,0.02,-0.02,-0.11,-0.22,-0.03,-0.05,0,-0.13,0.09,0.05,-0.02,0.05,0.04,0.03,0, 资产的经营现金流量回报率(%),0.05,0.05,0.02,0.01,-0.02,-0.05,-0.02,0.06,-0,-0.02,-0.02,0.09,0.02,-0.01,-0.04,0.02,-0.01,-0.08,-0.08,-0.05,-0.05,0,--,0.14,--,-0.04,0.03,0.09,0.05,0, 经营现金净流量与净利润的比率(%),1.18,2.11,2.08,0.28,-1.02,-4.05,-11.13,3.59,-0.15,-3.17,-13.92,4.25,1.13,-0.73,-3.69,0.45,-0.4,-2.6,-4.24,-0.99,-2.27,0.14,-4.29,2.47,1.38,-0.86,1.35,0.65,0.6,0.42, 经营现金净流量对负债比率(%),0.07,0.07,0.03,0.01,-0.03,-0.06,-0.02,0.08,-0,-0.02,-0.02,0.12,0.03,-0.02,-0.06,0.03,-0.02,-0.12,-0.13,-0.06,-0.07,0,--,0.2,--,-0.06,0.03,0.11,0.06,0.01, 现金流量比率(%),7.43,7.54,3.4,1.22,-2.99,-6.74,-2.37,8.23,-0.24,-2.47,-2.26,12.42,2.83,-1.88,-5.93,3.13,-2.06,-11.82,-13.51,-5.77,-6.99,0.29,--,20.61,--,-5.6,3.29,11.24,6.55,0.55,