报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2005-06-30,2005-03-31,2004-12-31,2004-09-30,2004-06-30,2004-03-31,2003-12-31,2003-09-30,2003-06-30,2003-03-31,2002-12-31,2001-12-31, 应收账款周转率(次),1.31,5.61,3.63,2.27,1.2,5.11,3.54,2.34,1.21,4.36,2.94,1.96,0.99,4.26,3.37,2.22,1.12,5.07,3.63,2.34,1.15,4.12,3.13,2,1.03,4.23,3.09,2.11,0.98,4.73,3.41,2.38,1.13,4.7,3.89,2.54,1.11,4.94,4.08,2.64,1.29,4.96,3.6,2.43,1.08,4.35,3.07,2.08,0.99,6.2,4.72,2.8,1.47,7.86,6.12,3.99,1.82,7.57,5,3.84,1.65,7.09,5.25,3.87,1.83,10.04,6.79,4.69,2.6,8.74,--,--,--,6.22,4.9, 应收账款周转天数(天),68.55,64.15,74.32,79.43,74.91,70.49,76.22,76.86,74.53,82.66,91.89,91.69,90.65,84.55,80.11,81.2,80.57,71.04,74.47,77.04,78.08,87.35,86.13,89.96,87.47,85.12,87.36,85.17,92.11,76.14,79.08,75.53,79.67,76.62,69.48,70.85,81.29,72.86,66.24,68.16,69.69,72.59,75.01,74.11,83.4,82.83,87.99,86.74,91.36,58.09,57.17,64.22,61.06,45.82,44.15,45.06,49.55,47.56,53.95,46.93,54.51,50.8,51.42,46.5,49.31,35.85,39.74,38.41,34.56,41.18,--,--,--,57.85,73.41, 存货周转率(次),1.16,4.29,3.04,1.96,0.93,4.36,3.27,2.33,1.16,4.24,2.79,2.02,0.99,4.17,2.97,2.2,1.08,3.41,1.86,1.28,0.6,2.09,1.52,1.09,0.6,2.36,1.7,1.28,0.62,2.67,2,1.43,0.67,3.3,2.82,2.03,0.96,4.43,3.3,2.31,1.18,4.86,3.75,2.6,1.17,3.54,2.37,1.71,0.76,3.85,3.43,2.39,1.08,3.39,2.56,1.73,0.64,2.08,1.68,1.28,0.54,1.89,1.43,1.08,0.5,2.68,2.26,1.84,1.03,3.03,--,--,--,4.78,--, 固定资产周转率(次),--,2.26,--,1.04,--,2.37,--,1.21,--,2.08,--,0.92,--,1.6,--,0.79,--,1.52,--,0.76,--,1.31,--,0.73,--,1.75,--,1.07,--,2.11,--,1.06,--,2.26,--,1.37,--,2.81,--,1.49,--,2.73,--,1.39,--,1.87,--,0.8,--,2.03,--,1.19,--,1.87,--,0.92,--,1.18,1,0.7,0.3,1.15,1,0.77,0.38,2.17,2.8,1.93,1.02,3.02,--,--,--,2.42,0.89, 总资产周转率(次),0.14,0.52,0.37,0.24,0.12,0.54,0.39,0.26,0.14,0.48,0.32,0.21,0.1,0.37,0.27,0.18,0.09,0.36,0.29,0.2,0.1,0.34,0.26,0.18,0.1,0.46,0.35,0.25,0.14,0.62,0.45,0.29,0.15,0.7,0.55,0.42,0.2,0.89,0.67,0.46,0.23,0.87,0.63,0.44,0.2,0.58,0.41,0.27,0.11,0.71,0.65,0.44,0.22,0.78,0.58,0.39,0.16,0.52,0.4,0.29,0.13,0.48,0.36,0.28,0.13,0.7,0.55,0.38,0.19,0.9,--,--,--,0.97,0.89, 存货周转天数(天),77.35,83.86,88.71,91.81,96.6,82.54,82.65,77.2,77.37,84.82,96.84,89.19,90.49,86.43,90.78,81.97,83.48,105.54,145.33,141,149.25,172.44,177.6,165.53,148.96,152.79,158.59,140.64,145.26,135.01,135.32,126.09,135.07,109.04,95.85,88.56,94.11,81.25,81.86,77.94,76.13,74.11,71.92,69.36,77.17,101.62,113.82,105.5,118.05,93.55,78.7,75.44,82.97,106.08,105.38,104.31,140.21,172.99,161.02,141.07,165.87,190.11,189.21,167.08,180.04,134.21,119.36,97.93,87.27,118.91,--,--,--,75.38,--, 总资产周转天数(天),651.7,694.98,728.35,756.62,753.14,672.65,691.95,686.24,660.79,754.88,846.4,838.77,872.09,970.87,1006.71,997.23,1035.67,986.84,924.34,898.65,936.52,1050.48,1038.46,977.2,906.34,775.03,772.53,717.42,622.84,582.43,606.33,614.12,611.41,516.28,487.72,431.45,448.65,403.09,405.41,389.61,395.08,412.99,426.34,410.4,446.21,617.5,654.23,674.16,821.17,506.19,412.28,410.96,411.52,461.78,468.42,465.96,557.97,698.62,668.65,616.86,693.91,753.77,756.94,632.91,676.18,510.93,491.62,477.33,477.2,400.98,--,--,--,370.94,403.68, 流动资产周转率(次),0.26,0.99,0.73,0.48,0.24,1.05,0.76,0.5,0.26,0.92,0.64,0.42,0.2,0.68,0.48,0.33,0.16,0.61,0.5,0.35,0.16,0.51,0.39,0.27,0.15,0.7,0.51,0.36,0.22,0.99,0.73,0.46,0.24,1.09,0.84,0.64,0.3,1.33,0.99,0.68,0.34,1.32,0.95,0.67,0.31,0.88,0.64,0.42,0.16,1.13,1.09,0.71,0.36,1.4,1.08,0.72,0.31,1.01,0.78,0.57,0.26,0.99,0.7,0.57,0.26,1.53,1.19,0.77,0.35,1.92,--,--,--,1.85,169.51, 流动资产周转天数(天),343.77,364.41,367.85,378.55,378.79,344.5,355.87,358.92,342.99,393.18,424.46,430.21,452.03,531.6,558.89,548.95,573.25,592.01,540.11,521.13,547.11,700.93,698.94,661.28,618.13,514.07,531.81,498.06,403.95,364.85,371.8,393.44,381.68,331.28,322.73,280.11,304.88,269.87,273.36,263.27,265.96,271.74,283.32,270.6,291.26,408.39,422.93,433.42,549.45,319.55,247.55,252.74,248.14,257.4,251.02,251.71,292.02,357.04,346.82,317.46,350.88,364.96,386.16,314.47,342.47,234.94,226.8,234.68,254.09,187.36,--,--,--,195.12,2.12, 经营现金净流量对销售收入比率(%),0.02,0.02,0.01,-0.03,-0.04,0.09,0.08,0.07,0.11,-0.02,-0.07,-0.13,-0.12,-0.02,-0.05,-0.08,-0.04,0.11,0.31,0.15,0.16,0.19,0.17,0.07,0.1,0.14,-0.01,-0.04,-0.04,0.14,0.11,0.08,0.06,0.2,0.25,0.24,0.2,0.13,0.11,0.2,0.12,0.16,0.1,0.09,0.12,0.05,0.05,0.2,0.03,0.11,0.07,0.07,0.05,0.03,0.06,0.06,0.09,0.09,0.02,0.07,0.11,0.09,0.02,0.05,0.01,-0.02,0.02,0.08,0.07,0.12,--,--,0,0,0, 资产的经营现金流量回报率(%),0,0.01,0.01,-0.01,-0.01,0.05,0.03,0.02,0.01,-0.01,-0.02,-0.03,-0.01,-0.01,-0.01,-0.01,-0,0.03,0.09,0.03,0.01,0.06,0.04,0.01,0.01,0.06,-0,-0.01,-0.01,0.09,0.05,0.02,0.01,0.14,0.13,0.1,0.04,0.12,0.08,0.09,0.03,0.14,0.06,0.04,0.02,0.03,0.03,0.06,0,0.07,0.05,0.03,0.01,0.02,0.04,0.02,0.01,0.04,0.01,0.02,0.01,0.04,0.01,0.01,0,-0.01,0.01,0.02,0.01,0.09,--,--,--,0,0, 经营现金净流量与净利润的比率(%),6.07,5.08,--,--,--,5.9,468.54,18.04,7.39,-0.53,-3.01,-2.74,-2.76,-0.25,-0.56,-0.79,-0.35,1.4,7.46,2.9,3.14,12.7,5.28,1.65,1.63,1.68,-0.08,-0.34,-0.71,3.03,2.47,1.58,1.15,6.7,8.43,6.99,6.68,2.37,2.13,3.73,2.16,2.34,1.58,1.57,2.12,1.08,1.5,5.72,--,5.84,4.18,4.18,3.62,1.38,2.94,3.45,4.32,5.86,1.18,3.99,4.84,6.92,1.23,1.34,0.15,-0.38,0.23,1.12,1.01,1.87,--,--,0,0,0, 经营现金净流量对负债比率(%),0.01,0.03,0.01,-0.01,-0.01,0.11,0.07,0.04,0.03,-0.02,-0.05,-0.09,-0.04,-0.03,-0.05,-0.05,-0.01,0.09,0.24,0.08,0.04,0.21,0.15,0.04,0.03,0.18,-0.01,-0.03,-0.01,0.17,0.09,0.04,0.01,0.26,0.23,0.17,0.07,0.21,0.13,0.15,0.04,0.23,0.1,0.06,0.04,0.04,0.04,0.09,0,0.11,0.07,0.04,0.02,0.04,0.05,0.03,0.02,0.07,0.01,0.03,0.02,0.07,0.01,0.02,0,-0.03,0.02,0.05,0.02,0.14,--,--,--,0,0, 现金流量比率(%),1.33,3.98,1.98,-3.64,-2.88,30.26,17.85,8.68,5.51,-2.71,-7.34,-11.44,-5.18,-3.52,-5.25,-5.79,-1.35,9.45,28.83,9.79,5.11,29.49,18.6,5.02,3.45,20.4,-0.79,-3.24,-1.37,22.07,11.86,4.66,1.82,32.76,28.61,22.4,9.44,29.2,17.28,20.41,5.49,26.7,12.62,7.96,4.79,5.71,5.17,10.55,0.5,11.55,7.95,5.05,1.78,4.42,6.98,4.48,2.68,8.3,1.25,4.66,3.22,9.8,1.57,3.46,0.27,-4.13,2.52,7.39,2.98,21.16,--,--,--,0,0,