报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2008-12-31,2007-12-31, 应收账款周转率(次),1.69,7.15,4.46,2.72,1.32,6.49,4.3,3.14,1.6,4.65,2.8,1.95,0.89,3.04,2.15,1.37,0.61,2.31,1.66,1.02,0.44,2.6,1.87,1.4,0.72,4.93,3.14,2.36,1.21,5.79,3.74,2.59,1.18,5.27,3.46,2.18,1.01,8.14,5.95,3.91,1.82,12.84,6.72,4.69,--,14.34,--,16.94,11.51, 应收账款周转天数(天),53.24,50.32,60.51,66.08,68.06,55.46,62.82,57.28,56.21,77.34,96.47,92.23,101.32,118.49,125.6,131.58,148.69,155.53,162.82,175.64,202.61,138.45,144.24,128.15,125.42,72.98,86.07,76.33,74.55,62.21,72.16,69.57,76.58,68.27,78.01,82.42,89.37,44.22,45.34,46.05,49.49,28.03,40.16,38.36,--,25.1,--,21.25,31.28, 存货周转率(次),1.02,2.63,2.31,1.43,0.57,2.59,2.4,1.6,0.96,3.3,2.85,1.62,0.83,2.81,2.07,1.28,0.66,2.84,2.33,1.55,0.67,3.61,2.75,2.3,0.99,4.22,3.61,2.23,1.02,3.82,3.08,1.94,0.95,3.7,3.25,2.03,0.89,4.2,3.15,2.04,0.87,4.24,3.07,2.69,--,4.24,--,3.59,2.32, 固定资产周转率(次),--,3.01,--,1.39,--,2.99,--,1.65,--,3.46,--,1.72,--,2.94,--,1.35,--,2.63,--,1.47,--,2.85,--,1.81,--,4,--,2.23,--,4.3,--,2.32,--,4.63,--,2.55,--,5.79,--,2.88,--,5,--,2.78,--,4.47,--,4.09,1.01, 总资产周转率(次),0.12,0.35,0.27,0.17,0.07,0.38,0.31,0.22,0.12,0.47,0.37,0.23,0.11,0.43,0.32,0.2,0.1,0.41,0.34,0.23,0.09,0.45,0.37,0.28,0.13,0.56,0.45,0.29,0.13,0.53,0.41,0.27,0.12,0.48,0.38,0.25,0.11,0.53,0.4,0.26,0.11,0.65,0.46,0.69,--,1.35,--,1.43,1.01, 存货周转天数(天),88.21,136.82,117.12,125.81,157.4,139.11,112.38,112.28,93.39,109.09,94.62,111.3,108.72,127.91,130.21,140.85,136.24,126.71,116.03,115.8,134.83,99.72,98.28,78.3,91.28,85.23,74.7,80.74,88.18,94.3,87.73,92.76,95.24,97.28,83.07,88.64,100.74,85.74,85.6,88.17,103.21,84.98,87.89,66.96,--,84.84,--,100.39,155.4, 总资产周转天数(天),721.15,1029.75,1004.84,1053.86,1251.74,940.44,858.51,820.42,720.58,769.72,721.35,781.93,783.29,845.07,852.81,891.53,947.37,874.85,783.52,778.88,950.37,808.99,738.51,632.47,714.29,637.51,604.16,623.48,683.37,679.12,655.34,676.18,731.11,746.27,702.21,734.39,844.28,675.68,670.81,694.18,821.17,554.19,582.27,261.29,--,267.38,--,251.77,355.87, 流动资产周转率(次),0.17,0.47,0.36,0.23,0.1,0.52,0.44,0.31,0.17,0.66,0.54,0.33,0.16,0.62,0.46,0.29,0.14,0.61,0.51,0.35,0.14,0.64,0.52,0.38,0.17,0.75,0.59,0.38,0.17,0.69,0.53,0.34,0.16,0.61,0.48,0.31,0.13,0.65,0.48,0.31,0.13,0.84,0.59,1.26,--,2.59,--,2.59,179.08, 流动资产周转天数(天),542.17,767.75,741.55,775.86,931.68,687.02,617.71,589.2,520.23,543.97,504.39,548.61,546.45,585.08,586.83,613.29,646.55,585.75,525.5,515.91,621.55,566.22,520.33,475.31,531.91,480.19,456.85,469.48,516.06,520.91,506.19,525.09,565.33,590.07,557.05,583.66,677.71,557.97,565.8,587.66,700.39,429.7,454.7,142.9,--,139,--,138.99,2.01, 经营现金净流量对销售收入比率(%),-0.2,0.02,-0.05,-0.17,-0.38,0.09,0.03,-0,0.08,0.1,0.05,0.22,0.23,0.11,0.08,0.12,-0.06,0.15,0.01,-0.09,-0.04,-0.05,-0.24,-0.3,-0.66,0.05,-0.03,0.03,0.04,0.03,0.01,0.04,-0.13,0.09,0,-0.07,-0.33,0.04,0.01,-0.03,-0.37,0.12,-0,0.15,--,0.25,0.21,0.05,0.07, 资产的经营现金流量回报率(%),-0.02,0.01,-0.01,-0.03,-0.03,0.04,0.01,-0,0.01,0.05,0.02,0.05,0.03,0.05,0.03,0.02,-0.01,0.06,0,-0.02,-0,-0.02,-0.09,-0.09,-0.09,0.03,-0.01,0.01,0.01,0.02,0,0.01,-0.02,0.04,0,-0.02,-0.04,0.02,0,-0.01,-0.04,0.05,-0,0.09,--,0.29,--,0.07,0.07, 经营现金净流量与净利润的比率(%),-3.36,0.56,-0.83,-2.11,-9.44,4.78,1.69,-0.19,--,--,--,--,--,13.26,17.86,21.89,-1.84,12.45,0.58,-3.16,-1.62,-8.24,-17.4,-7.18,-8.98,0.52,-0.35,0.23,0.41,0.3,0.09,0.35,-1.46,0.86,0.03,-0.68,-3.11,0.33,0.06,-0.25,-3.46,0.91,-0.01,1.06,--,1.89,1.49,0.43,0.73, 经营现金净流量对负债比率(%),-0.12,0.03,-0.08,-0.18,-0.17,0.2,0.05,-0,0.05,0.24,0.08,0.22,0.13,0.24,0.14,0.13,-0.03,0.3,0.02,-0.1,-0.02,-0.14,-0.55,-0.51,-0.81,0.17,-0.11,0.05,0.05,0.12,0.03,0.07,-0.12,0.29,0.01,-0.14,-0.32,0.16,0.02,-0.07,-0.4,0.44,-0,0.22,--,0.73,--,0.16,0.12, 现金流量比率(%),-12.12,2.71,-8.4,-18.66,-16.95,20.28,5.13,-0.31,5.54,24.68,8.68,23.16,13.61,24.45,14.81,13.55,-3.61,30.68,2.23,-10.57,-2.56,-14.51,-56.7,-52.46,-84.11,17.71,-12.17,5.57,5.1,12.6,2.55,7.33,-12.03,29.6,1.14,-15.46,-34.89,17.28,2.21,-7.32,-46.22,51.2,-0.19,23.56,--,82.37,--,15.88,11.54,