报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2005-06-30,2005-03-31,2004-12-31,2004-09-30,2004-06-30,2004-03-31,2003-12-31,2003-09-30,2003-06-30,2003-03-31,2002-12-31,2002-09-30,2002-06-30,2002-03-31,2001-12-31,2001-06-30,2000-12-31,2000-06-30,1999-12-31,1998-12-31,1997-12-31,1996-12-31, 应收账款周转率(次),1.52,6.81,4.62,2.85,1.23,6.96,4.77,3.04,1.66,7.65,5.27,3.41,1.87,8.14,5.81,3.94,1.99,9.75,6.3,3.71,2.01,9.64,6.53,4.45,2.15,10.32,6.61,4.36,1.98,10.4,7.23,5.01,2.31,12.37,7.8,6.11,3.11,12.65,7.81,4.94,2.44,11.64,7.88,5.45,2.78,13.61,8.94,5.92,2.72,13.77,7.81,5.15,2.7,11.41,5.96,3.81,1.73,8.41,4.74,3.16,1.76,9.98,6.91,4.36,2.33,11.23,8.11,5.26,2.98,10.3,6.47,4.27,2.03,15.16,9.75,5.91,2.67,14.95,6.56,11.14,5,11.07,13.45,14.68,14.32, 应收账款周转天数(天),59.16,52.89,58.47,63.2,72.9,51.73,56.56,59.27,54.2,47.07,51.2,52.82,48.1,44.23,46.5,45.71,45.33,36.93,42.86,48.51,44.77,37.34,41.33,40.49,41.8,34.87,40.87,41.25,45.45,34.61,37.36,35.9,38.89,29.1,34.61,29.46,28.98,28.46,34.59,36.43,36.89,30.94,34.26,33.05,32.43,26.45,30.19,30.42,33.11,26.14,34.59,34.96,33.35,31.54,45.27,47.2,52.16,42.82,56.94,56.97,51.03,36.09,39.06,41.29,38.58,32.06,33.28,34.23,30.25,34.94,41.7,42.19,44.39,23.75,27.69,30.44,33.77,24.09,27.44,32.31,36.01,32.52,26.77,24.53,25.15, 存货周转率(次),1.11,5.48,3.85,2.39,0.87,6.23,4.06,2.63,1.65,6.99,5.02,3.45,1.64,7.56,5.52,3.64,1.88,10.78,7.31,4.4,2.4,12.85,9.42,5.71,2.72,15.54,10.73,6.62,3.14,15.94,11.59,7.33,3.23,15.51,12.89,7.72,3.45,16.8,13.83,9.4,4.3,14.17,9.66,5.96,2.83,13.17,8.55,5.65,3.29,13.67,8.25,5.82,2.9,15.64,10.51,6.84,3.19,10.54,6.36,3.87,1.84,7.04,5.45,2.93,1.44,6.91,7,4.32,2.31,5.74,3.22,1.84,0.78,5.65,3.59,2.13,0.88,5.6,1.85,3.61,1.59,2.6,3.37,3.79,3.7, 固定资产周转率(次),--,97.41,--,43.29,--,90.73,--,42.25,--,94.42,--,44.84,--,97.21,--,46.79,--,132.4,--,52.77,--,230.94,--,104.2,--,200.81,--,80.16,--,158.74,--,65.26,--,143.75,--,68.61,--,124.66,--,52.67,--,95.41,--,41.85,39.03,50.75,--,9.23,--,35.46,--,17.24,--,37.19,--,15.75,--,41.38,45.21,28.81,14.23,64.92,51.44,29.14,14.65,58.85,43.91,29.03,13.46,48.96,21.79,12.74,9.18,35.85,17.77,8.93,3.31,18.59,8.56,13.96,7.97,14.07,19.08,21.59,2.07, 总资产周转率(次),0.23,1.05,0.73,0.46,0.18,1.05,0.76,0.47,0.26,1.06,0.78,0.51,0.24,0.98,0.69,0.44,0.21,1.28,0.84,0.42,0.51,2.44,1.8,1.1,0.51,2.82,1.89,1.2,0.62,2.88,2,1.3,0.58,2.71,1.89,1.28,0.58,2.55,1.77,1.16,0.56,2.23,1.56,1,0.47,1.95,1.31,0.81,0.37,1.86,1.26,0.85,0.41,2.19,1.41,0.9,0.43,2.04,1.28,0.87,0.44,2,1.48,0.83,0.42,1.83,1.41,0.91,0.46,1.46,0.88,0.5,0.23,1.5,0.94,0.59,0.22,1.38,0.61,0.97,0.42,0.87,1.96,2.17,2.07, 存货周转天数(天),81.21,65.68,70.16,75.44,103.62,57.81,66.56,68.48,54.7,51.49,53.74,52.21,55.01,47.63,48.9,49.39,47.83,33.41,36.92,40.93,37.43,28.01,28.66,31.54,33.04,23.17,25.17,27.18,28.67,22.58,23.29,24.55,27.89,23.21,20.95,23.33,26.08,21.43,19.53,19.15,20.94,25.41,27.95,30.19,31.76,27.33,31.59,31.85,27.37,26.33,32.75,30.93,31,23.01,25.7,26.3,28.25,34.14,42.48,46.47,48.84,51.12,49.54,61.49,62.4,52.12,38.59,41.69,38.97,62.75,83.76,98.02,115.36,63.73,75.23,84.33,101.78,64.31,97.17,99.71,113.4,138.33,106.86,94.92,97.24, 总资产周转天数(天),385.77,342.4,369.81,390.96,492.88,343.71,356.53,386.43,352.11,339.59,348.3,351.7,379.91,367.08,389.67,405.41,428.16,281.84,322.2,429.18,176.26,147.69,149.99,163.96,177.62,127.46,142.5,149.45,146.03,124.93,135.24,138.77,153.9,132.87,142.89,140.1,154.48,140.93,152.22,155.33,160.92,161.32,173.33,179.46,189.95,184.21,205.92,223.52,240.32,193.86,214.51,212.64,218.39,164.25,191.15,200.29,211.32,176.32,210.81,207.68,205.95,180.26,182.54,217.42,215.83,196.73,191.23,197.76,196.29,246.68,307.94,361.74,387.1,240,288.12,304.05,406.14,260.15,295.37,369.27,425.53,415.37,183.99,165.99,174.02, 流动资产周转率(次),0.39,1.8,1.22,0.8,0.32,1.87,1.35,0.85,0.48,2.05,1.53,1.02,0.49,2.11,1.52,1,0.48,2.73,1.87,0.89,0.77,3.83,2.79,1.76,0.86,4.26,2.83,1.84,0.86,4.16,2.88,1.94,0.89,4.23,3.02,2.17,1,4.44,3.05,2.09,1.02,3.92,2.62,1.7,0.81,3.57,2.33,1.41,0.7,3.37,2.15,1.43,0.69,3.56,2.08,1.32,0.64,2.86,1.58,1.08,0.55,2.53,1.89,1.05,0.53,2.32,1.77,1.16,0.59,1.82,1.09,0.62,0.29,1.97,1.28,0.88,0.33,1.91,0.8,1.16,0.47,0.95,2.25,2.47,224.43, 流动资产周转天数(天),229.07,200.1,221.89,226.24,282.84,192.72,199.28,212.34,189.19,175.33,176.6,175.66,184.09,170.45,177.53,179.82,185.91,132.08,144.04,202.04,117,94.05,96.94,102.19,105.21,84.48,95.25,97.7,104.26,86.52,93.67,92.8,101.69,85.02,89.35,82.87,90.2,81.16,88.52,86.3,88.29,91.8,102.97,105.59,111.15,100.89,115.74,127.37,127.86,106.98,125.75,126.2,130.11,101.24,129.91,136.27,141.38,125.76,170.53,166.3,163.07,142.47,142.99,170.79,169.75,154.93,152.52,155.13,153.64,198.24,247.66,292.4,309.38,183.08,211.02,204.43,271.33,188.76,224.08,309.2,382.49,380.79,159.67,145.58,1.6, 经营现金净流量对销售收入比率(%),-0.06,0.08,0.06,-0,-0.22,0.03,-0.08,-0.19,-0.25,0.1,0.03,0.01,0.09,0.01,-0.01,-0.02,-0.09,0.05,0.03,0.02,-0.13,0.01,-0.08,-0.07,-0.2,0.01,-0.06,-0.12,-0.25,0.01,-0.04,-0.08,-0.28,-0.02,-0.09,-0.12,-0.3,0.03,-0.01,-0.02,-0.07,0.04,-0.01,-0.02,-0.06,0.1,0.09,0.14,-0.04,0.03,-0.01,-0.04,-0.01,0.02,-0.08,-0.09,-0.12,0.06,-0.09,-0.09,-0.09,0.01,-0.03,-0.06,-0.09,-0.01,-0.06,-0.08,-0.17,0.05,-0.03,0.08,-0.19,-0.15,0,-0.22,--,0.14,-0.09,-0.04,-0.13,0.04,--,--,--, 资产的经营现金流量回报率(%),-0.02,0.09,0.04,-0,-0.04,0.03,-0.06,-0.09,-0.07,0.1,0.02,0.01,0.02,0.01,-0.01,-0.01,-0.02,0.04,0.01,0,-0.07,0.01,-0.14,-0.07,-0.09,0.03,-0.1,-0.13,-0.15,0.04,-0.08,-0.1,-0.17,-0.05,-0.16,-0.15,-0.18,0.07,-0.02,-0.02,-0.04,0.08,-0.01,-0.02,-0.03,0.21,0.12,0.11,-0.01,0.06,-0.01,-0.03,-0.01,0.05,-0.1,-0.07,-0.05,0.13,-0.11,-0.07,-0.04,0.02,-0.05,-0.05,-0.04,-0.02,-0.09,-0.07,-0.08,0.07,-0.02,0.04,-0.05,-0.18,0,-0.13,--,0.2,-0.05,-0.03,-0.06,0.02,--,--,--, 经营现金净流量与净利润的比率(%),-1.79,1.56,1.02,-0.05,-5,0.55,-1.42,-3.14,-5.04,1.66,0.54,0.23,2,0.11,-0.11,-0.28,-1.35,1.1,0.71,0.48,-9.84,0.46,-5.15,-3.39,-14.68,0.7,-4.42,-10.17,-20.92,0.88,-3.18,-9.53,-26.68,-1.46,-7.5,-17.25,-28.65,3.46,-1.29,-3.01,-13.99,4.47,-1.08,-4.32,-13.28,11.69,8.59,18.14,-6.72,3.17,-0.61,-2.79,-0.57,4.38,-11.82,-14.29,-21.7,9.86,-18.33,-15.48,-15.05,4.45,-3.7,-5.25,-21.27,-0.93,-6.81,-8.91,-44.28,4.64,-2.16,10.09,--,-21.77,0,-193.78,--,--,--,-0.48,-1.11,0.28,--,--,--, 经营现金净流量对负债比率(%),-0.04,0.21,0.09,-0,-0.1,0.08,-0.15,-0.25,-0.2,0.27,0.07,0.02,0.06,0.02,-0.02,-0.03,-0.08,0.13,0.06,0.02,-0.11,0.03,-0.23,-0.12,-0.19,0.05,-0.18,-0.25,-0.26,0.06,-0.13,-0.18,-0.31,-0.09,-0.29,-0.33,-0.34,0.12,-0.04,-0.04,-0.07,0.14,-0.02,-0.04,-0.05,0.37,0.2,0.19,-0.02,0.11,-0.02,-0.05,-0.01,0.09,-0.15,-0.11,-0.07,0.21,-0.16,-0.12,-0.06,0.04,-0.09,-0.08,-0.07,-0.03,-0.16,-0.12,-0.14,0.13,-0.04,0.06,-0.09,-0.35,0,-0.38,--,0.51,-0.13,-0.1,-0.35,0.09,--,--,--, 现金流量比率(%),-4.05,21.99,9.9,-0.39,-10.74,8.14,-16.26,-27.95,-22.25,30.3,7.86,2.18,7.41,2.41,-1.88,-3.75,-8.47,14.23,6.5,1.73,-11.65,2.75,-24.67,-13.24,-20.54,5,-18.92,-26.24,-26.32,6.58,-13.71,-19.02,-32.78,-8.93,-29.96,-34.98,-36.29,13.24,-3.87,-3.89,-7.99,14.85,-2.67,-4.13,-6.42,42.14,21.25,19.05,-2.18,11.18,-1.67,-5.32,-0.91,10.06,-17.48,-12.47,-7.88,26.21,-19.29,-14.05,-7.51,4.33,-8.85,-8.08,-6.85,-2.95,-16.62,-12.5,-14.97,13.32,-4.19,6.78,-9.43,-37.59,0,-40.16,--,59.85,-15.16,-11.6,-35.27,9.01,--,--,--,