报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2005-06-30,2005-03-31,2004-12-31,2004-09-30,2004-06-30,2004-03-31,2003-12-31,2003-09-30,2003-06-30,2003-03-31,2002-12-31,2002-09-30,2002-06-30,2002-03-31,2001-12-31,2001-06-30,2000-12-31,2000-06-30,1999-12-31,1999-06-30,1998-12-31,1998-06-30,1997-12-31,1997-06-30,1996-12-31,1995-12-31,1994-12-31,1993-12-31, 应收账款周转率(次),1.51,5.6,3.95,2.69,1.3,6.29,4.28,2.8,1.3,5.65,3.36,2.27,1.07,4.84,3.51,2.34,1.22,4.68,3.18,2.08,1.02,16.42,11.53,7.24,3.21,12.62,9.08,5.61,3.51,30.24,15.9,9.17,4.64,5.69,3.42,2.88,1.39,11.63,9.76,6.95,3.75,19.23,18.2,10.92,6.01,19.12,12.6,8.09,3.94,17.84,14.25,9.75,5.3,22.13,15.9,9.6,4.7,18.51,14.69,9.21,4.23,20.77,16.42,11,4.3,18.98,11.14,6.65,4.08,11.08,6.96,5.11,--,8.74,9.9,6.24,2.33,6.95,2.91,9.01,6.85,5.34,1.38,2.84,1.26,2.58,2.78,5.85,--,--,--, 应收账款周转天数(天),59.68,64.34,68.34,66.82,69.01,57.22,63.15,64.3,69.08,63.71,80.3,79.37,84.21,74.44,76.94,77.08,73.56,76.87,84.95,86.54,88.64,21.92,23.42,24.86,28,28.53,29.72,32.07,25.62,11.91,16.98,19.64,19.41,63.26,78.84,62.41,64.59,30.96,27.66,25.9,24.01,18.72,14.84,16.48,14.97,18.83,21.43,22.24,22.86,20.18,18.94,18.45,16.97,16.27,16.98,18.76,19.14,19.45,18.38,19.54,21.27,17.33,16.44,16.37,20.95,18.96,24.23,27.07,22.07,32.5,38.8,35.25,--,41.19,27.28,28.83,38.57,51.77,61.79,39.97,26.3,67.44,130.01,126.93,142.6,139.62,64.86,61.49,--,--,--, 存货周转率(次),1.89,7.34,5.64,3.78,1.78,7.64,5.77,3.88,1.86,7.83,6.48,4.24,1.93,7.8,6.16,4.02,1.82,7.12,5.98,3.91,1.56,14.14,7.53,4.45,2.06,7.9,6.27,4.38,2.52,11.59,6.35,4.45,1.62,3.24,2.07,1.79,0.87,4.73,2.75,1.78,0.96,4.77,3.41,1.82,1.24,3.4,2.21,1.39,0.71,3.71,2.84,2.13,1.3,5.55,3.97,2.57,1.31,5.66,3.93,2.55,1.35,6.57,5.12,3.41,1.29,8.62,7.44,4.64,2.17,7.76,5.2,3,--,4.32,3.52,2.28,0.95,4.54,2.39,8.27,5.54,7.91,3.36,4.21,1.56,3.74,0,12.2,--,--,--, 固定资产周转率(次),--,1.66,--,0.81,--,1.78,--,0.9,--,1.66,--,0.88,--,1.37,--,0.66,--,1.11,--,0.54,--,1.78,--,0.55,--,0.95,--,0.45,--,1.11,--,0.43,--,0.36,--,0.21,--,1.03,--,--,--,1.26,--,0.58,--,1.06,--,0.48,--,1.12,--,0.77,--,1.57,--,0.73,--,1.29,0.92,0.59,0.28,1.33,1.19,0.79,0.34,1.52,1.18,0.79,0.36,1.03,0.67,0.46,--,0.91,1.2,0.89,0.38,1.51,0.79,1.48,0.71,0.87,0.47,1.76,2.89,5.01,2.45,--,--,0.9,--, 总资产周转率(次),0.24,0.79,0.58,0.39,0.2,0.91,0.68,0.47,0.23,0.82,0.6,0.39,0.18,0.66,0.49,0.32,0.16,0.58,0.44,0.29,0.13,1.08,0.55,0.34,0.16,0.57,0.4,0.26,0.15,0.68,0.42,0.28,0.11,0.22,0.17,0.14,0.07,0.55,0.39,0.27,0.15,0.64,0.54,0.31,0.18,0.56,0.39,0.24,0.11,0.56,0.49,0.34,0.19,0.8,0.6,0.39,0.18,0.71,0.48,0.31,0.16,0.69,0.53,0.36,0.15,0.8,0.63,0.44,0.22,0.64,0.43,0.28,0.14,0.46,0.45,0.3,0.12,0.64,0.37,1,0.53,0.66,0.31,0.86,0.55,1.12,0.58,1.37,--,0.9,--, 存货周转天数(天),47.51,49.04,47.84,47.59,50.51,47.14,46.83,46.37,48.36,45.97,41.67,42.48,46.62,46.15,43.86,44.82,49.49,50.58,45.14,45.99,57.62,25.46,35.86,40.45,43.68,45.6,43.07,41.14,35.68,31.07,42.51,40.42,55.39,110.98,130.56,100.69,103.84,76.03,98.35,101.28,93.79,75.51,79.13,98.79,72.73,105.93,121.99,129.86,126.19,96.99,95.2,84.33,69.35,64.85,67.93,70.1,68.85,63.56,68.7,70.66,66.45,54.78,52.76,52.75,69.76,41.79,36.29,38.83,41.54,46.37,51.89,59.99,--,83.29,76.61,78.92,94.49,79.26,75.41,43.55,32.52,45.48,53.59,85.53,115.56,96.39,--,29.51,--,--,--, 总资产周转天数(天),377.52,458.02,467.37,460.12,456.62,395.3,397.53,383.63,395.08,437.37,452.34,462.96,508.19,548.53,554.41,554.02,559.35,619.09,620.12,624.78,689.66,333.86,486.93,527.55,575.08,632.91,675,693.64,590.94,531.76,642.09,653.83,836.43,1619.43,1585.44,1272.08,1222.83,654.43,701.12,665.19,600.8,559.7,502.14,571.97,495.87,646.32,693.2,745.96,795.05,648.42,553.96,530.35,462.72,449.66,450.53,459.07,487.28,509.27,563.09,573.8,577.29,524.7,507.61,506.61,599.6,451.86,426.68,409.93,417.44,563.03,628.49,633.8,632.02,787.06,603.49,609.55,722.31,565.68,480.77,358.71,336.89,543.64,573.43,419.43,326.21,322.41,312.5,263.52,--,400.71,--, 流动资产周转率(次),0.53,1.85,1.38,0.95,0.48,2.38,1.74,1.26,0.61,2.36,1.76,1.12,0.52,1.81,1.21,0.82,0.41,1.61,1.22,0.83,0.39,3.97,2.29,1.38,0.6,2.03,1.41,0.9,0.55,2.75,1.75,1.17,0.47,0.89,0.73,0.65,0.29,1.64,1.04,0.67,0.37,1.79,1.62,0.92,0.52,1.59,1.24,0.74,0.32,1.59,1.3,0.94,0.57,2.39,1.82,1.22,0.58,2.04,1.27,0.84,0.44,1.93,1.46,0.95,0.4,2.3,1.7,1.17,0.63,1.86,1.38,0.84,0.8,1.29,1.46,0.87,0.36,1.68,0.92,3.36,2.33,3,0.95,1.7,0.69,1.46,0.76,1.92,1.79,147.13,--, 流动资产周转天数(天),171.17,194.3,195.03,188.92,187.07,151.14,155.45,143.13,148.15,152.83,153.57,160.96,173.08,198.92,223.38,219.46,219.57,222.92,220.99,215.91,233.77,90.67,118.13,130.58,148.98,177.44,191.45,200.69,162.75,131.09,154.22,153.78,190.11,402.77,368.35,277.65,313.92,220.01,259.62,266.9,240.06,201.33,167.06,195.55,172.35,225.75,217.25,242.62,283.73,226.32,207.82,190.56,158.62,150.83,148.13,147.65,154.53,176.36,211.95,214.98,206.66,186.25,184.91,188.88,226.99,156.68,158.94,153.71,142.41,193.76,195.44,213.75,112.78,278.64,184.56,205.81,252.88,214.3,196.36,107.1,77.16,119.89,189.93,212.04,261.13,247.34,235.54,187.54,200.95,2.45,--, 经营现金净流量对销售收入比率(%),0.16,0.07,0.05,0.09,0.14,0.1,0.1,0.02,0.05,0.09,0.1,0.01,-0.06,0,-0.09,-0.14,-0.07,0.01,0.04,-0.03,-0.04,0.03,0.02,0.06,-0.05,0.02,-0.02,-0.04,-0.07,0.02,-0.04,0,-0.06,-0.37,-0.1,-0.12,-0.16,-0.14,-0.13,0.01,0.01,0.01,0.02,0.02,0.01,0.06,0.04,0.03,-0.03,0.05,0.02,0.03,0.02,0.11,0.05,0.04,0.05,0.02,0.07,0.09,0.03,0.12,0.1,0.1,0.05,0.17,0.14,0.06,0.16,0.04,0.07,0.05,0.01,0.1,0,0.05,--,0.09,0.02,0,0,-0.11,--,-0.08,--,--,--,--,--,--,--, 资产的经营现金流量回报率(%),0.04,0.06,0.03,0.04,0.03,0.09,0.07,0.01,0.01,0.07,0.06,0.01,-0.01,0,-0.04,-0.05,-0.01,0,0.02,-0.01,-0.01,0.09,0.01,0.02,-0.01,0.01,-0.01,-0.01,-0.01,0.02,-0.01,0,-0.01,-0.11,-0.02,-0.02,-0.01,-0.09,-0.05,0,0,0.01,0.01,0.01,0,0.03,0.01,0.01,-0,0.02,0.01,0.01,0,0.08,0.03,0.02,0.01,0.01,0.03,0.03,0,0.07,0.05,0.03,0.01,0.12,0.08,0.02,0.03,0.03,0.03,0.01,0,0.04,0,0.01,--,0.05,0.01,0,0,-0.06,--,-0.05,--,--,--,--,--,--,--, 经营现金净流量与净利润的比率(%),1.56,2.91,2.42,5.6,15.09,4.52,5.03,1.21,2.91,9.77,5.4,1,--,0.16,-4.3,-5.18,-1.95,0.17,1.77,-1.34,-0.98,1.22,--,--,--,--,--,--,--,--,--,0.06,-0.21,-0.39,--,--,--,--,--,--,--,--,1.26,3.1,0.66,2.06,0.96,1.47,--,--,0.65,0.66,0.41,1.21,0.6,0.57,1.28,0.69,2.63,3.73,1.71,3.2,2.47,2.35,1.59,3.01,2.26,0.84,2.24,1.13,1.98,1.48,0.41,2.82,0,1.17,--,1.53,0.33,0.03,0.03,-1.05,--,-0.5,--,--,--,--,--,--,--, 经营现金净流量对负债比率(%),0.21,0.28,0.15,0.19,0.13,0.43,0.27,0.05,0.05,0.29,0.24,0.02,-0.04,0.01,-0.19,-0.22,-0.05,0.01,0.07,-0.03,-0.02,0.36,0.01,0.02,-0.01,0.02,-0.01,-0.01,-0.01,0.02,-0.02,0,-0.01,-0.13,-0.01,-0.01,-0.01,-0.08,-0.05,0,0,0.01,0.01,0.01,0,0.04,0.02,0.01,-0,0.03,0.01,0.01,0.01,0.13,0.04,0.02,0.01,0.02,0.04,0.03,0.01,0.1,0.06,0.05,0.01,0.16,0.1,0.03,0.05,0.04,0.04,0.02,--,0.06,0,0.02,--,0.07,0.01,0,0,-0.13,--,-0.17,--,--,--,--,--,--,--, 现金流量比率(%),25.5,33.34,18.64,23.22,15.55,51.34,30.13,5.28,5.07,32.96,27.02,2.73,-5.42,0.79,-21.26,-25.07,-5.52,1.55,8.07,-3.6,-2.68,42.37,1.64,2.59,-1.06,2.02,-0.95,-1.34,-1.25,1.86,-1.81,0.14,-0.82,-15.15,-1.8,-1.81,-1.48,-10.3,-6.44,0.36,0.22,1.19,1.74,0.88,0.43,5.39,2.99,1.3,-0.57,4.36,2.13,1.6,0.89,16.07,4.89,2.72,1.73,2.03,6,4.76,0.7,11.68,7.51,5.42,1.19,19.76,12.98,3.89,6.39,4.76,4.85,2.7,--,8.11,0,3.43,--,10.19,1.75,0.36,0.37,-19.81,--,-17.44,--,--,--,--,--,--,--,