报告日期,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2005-06-30,2005-03-31,2004-12-31,2004-09-30,2004-06-30,2004-03-31,2003-12-31,2003-09-30,2003-06-30,2002-12-31,2001-12-31, 应收账款周转率(次),5.54,4.23,2.83,1.26,5.64,3.99,2.62,1.2,5.2,4.16,2.83,1.45,5.66,3.84,2.73,1.29,6.34,4.96,3.12,1.62,5.53,4.26,2.91,1.39,5.63,3.98,2.31,1.1,4.3,3.17,2,1.03,5.09,3.91,3.07,1.47,5.81,4.56,2.82,1.37,4.73,3.58,2.42,1.19,5.72,4.23,2.9,1.47,4.47,3.22,2.2,1.06,6.33,5.03,3.03,1.44,4.91,3.5,2.44,1.37,5.13,3.5,2.38,1.29,5.53,3.98,2.61,--,5.58,--,--,7.02,5.79, 应收账款周转天数(天),65.01,63.84,63.64,71.36,63.8,67.72,68.83,74.91,69.22,64.91,63.54,61.86,63.57,70.24,65.99,69.9,56.74,54.45,57.73,55.5,65.05,63.34,61.79,64.61,63.92,67.83,77.78,81.48,83.66,85.12,90.09,87.71,70.79,69.04,58.72,61.11,61.95,59.23,63.73,65.6,76.08,75.41,74.44,75.76,62.89,63.9,62.05,61.04,80.49,83.73,81.99,85.21,56.84,53.64,59.44,62.53,73.29,77.1,73.89,65.58,70.22,77.13,75.65,69.54,65.14,67.88,68.86,--,64.56,--,--,51.28,62.13, 存货周转率(次),4.89,3.58,2.16,0.99,5.19,3.89,2.74,1.33,5.95,4.71,3.12,1.39,4.87,3.5,2.34,1.05,4.65,3.59,2.42,1.25,4.45,3.52,2.58,1.23,4.7,3.16,1.41,0.7,3.33,2.31,1.62,0.91,3.04,2.28,1.38,0.67,2.62,2.04,1.33,0.7,2.66,2.09,1.23,0.71,2.65,1.75,1.33,0.76,2.86,2.51,1.59,0.7,4.4,3.93,2.6,1.66,4.32,3.8,2.52,1.3,4.01,4.13,2.3,1.02,5.8,3.62,2.37,--,6.06,--,--,5.69,4.63, 固定资产周转率(次),4.95,--,2.79,--,5.16,--,2.59,--,4.81,--,2.51,--,4.83,--,2.08,--,4.09,--,1.93,--,3.18,--,1.82,--,2.74,--,0.82,--,1.28,--,0.62,--,1.11,--,0.56,--,0.95,--,0.54,--,0.93,--,0.53,--,1.14,--,0.59,--,1.63,--,1.06,--,3.21,--,1.43,--,1.56,1.21,0.81,0.44,1.56,1.28,0.89,0.43,2.1,1.7,1.07,--,2.14,--,--,2.73,1.05, 总资产周转率(次),0.48,0.36,0.25,0.12,0.5,0.38,0.25,0.12,0.5,0.38,0.26,0.14,0.56,0.39,0.27,0.13,0.61,0.47,0.31,0.18,0.62,0.5,0.34,0.18,0.77,0.5,0.4,0.18,0.66,0.47,0.32,0.17,0.58,0.44,0.29,0.14,0.42,0.3,0.19,0.09,0.32,0.24,0.17,0.09,0.41,0.28,0.23,0.12,0.55,0.46,0.33,0.17,1.04,0.81,0.53,0.23,0.63,0.49,0.33,0.18,0.62,0.48,0.32,0.15,0.88,0.63,0.53,--,1.07,--,--,1.19,1.05, 存货周转天数(天),73.61,75.45,83.45,91.25,69.32,69.48,65.71,67.62,60.46,57.3,57.73,64.63,73.98,77.08,77.06,86.01,77.38,75.2,74.46,72.24,80.82,76.77,69.9,73.03,76.6,85.46,127.5,128.15,108.12,116.95,110.8,99.17,118.42,118.68,130.39,134.03,137.56,132.36,134.91,128.24,135.38,128.93,145.87,125.93,135.78,154.22,135.2,117.75,125.96,107.57,113.4,128.46,81.9,68.63,69.16,54.28,83.37,70.98,71.31,69.22,89.7,65.43,78.41,88.19,62.03,74.51,75.95,--,59.36,--,--,63.23,77.68, 总资产周转天数(天),756.78,751.46,732.6,769.23,723.18,715.99,711.46,771.87,720.58,707.73,687.02,641.48,648.3,693.02,675.68,716.56,592.2,577.42,578.03,511.36,582.62,544.68,523.71,511.36,469.54,542.06,455.35,502.51,547.36,577.66,563.2,542.17,622.51,608.38,622.84,653.59,859.6,900,947.37,959.49,1109.74,1108.83,1077.2,1051.4,885.17,974.73,797.17,747.51,652.88,587.21,549.45,516.06,347.59,333.21,339.3,393.53,573.8,555.78,542.82,489.4,585.27,564.85,558.49,601.6,409.65,425.53,341.43,--,337.05,--,--,301.48,344.37, 流动资产周转率(次),1.54,1.09,0.74,0.35,1.44,1.04,0.66,0.31,1.26,0.97,0.66,0.34,1.44,0.97,0.81,0.38,1.78,1.4,0.98,0.5,1.78,1.33,0.87,0.47,1.96,1.27,0.82,0.38,1.39,1,0.68,0.35,1.31,1.04,0.66,0.33,1.12,0.89,0.55,0.27,0.85,0.64,0.41,0.2,1.05,0.64,0.68,0.35,1.41,1.08,0.74,0.39,2.44,2,1.32,0.62,1.67,1.26,0.89,0.5,1.42,1.14,0.62,0.3,1.8,1.18,1.23,--,2.41,--,--,2.33,201.78, 流动资产周转天数(天),234.19,247.34,242.59,253.59,250.42,260.54,270.8,289.11,285.6,278.01,273.93,266.11,249.6,278.64,223.44,236.78,201.83,193.13,184.09,178.54,202.79,203.13,206.94,191.08,183.57,212.87,220.78,239.3,258.7,269.95,265.88,260.49,274.73,260.32,271.78,275.65,320.48,303.61,327.03,332.1,423.18,420.3,433.84,454.32,341.3,424.26,264.63,253.74,255.59,249.49,244.07,228.54,147.26,134.86,136.55,145.49,215.18,214.54,202.95,181.01,253.15,237.36,290.37,298.21,199.86,229.71,146.94,--,149.68,--,--,154.39,1.78, 经营现金净流量对销售收入比率(%),0.21,0.26,0.27,0.16,0.18,0.1,0.04,-0.04,0.25,0.27,0.3,0.31,0.26,0.21,0.2,0.12,0.24,0.18,0.09,0,0.17,0.16,0.07,0.11,0.08,0.08,0.22,0.09,0.15,0.12,0.04,0.05,0.05,0.01,0.03,-0.1,-0.11,-0.05,-0.07,-0.2,-0.09,0.11,0.05,0.28,0.14,0.2,0.24,0.18,0.17,0.14,0.37,0.34,0.33,0.27,0.14,0.11,0.09,0.14,0.07,0.01,0.09,0.08,0.01,0.03,0.14,0.07,0.08,--,0.07,--,--,0,0, 资产的经营现金流量回报率(%),0.1,0.09,0.06,0.02,0.08,0.04,0.01,-0,0.12,0.1,0.08,0.04,0.13,0.07,0.05,0.01,0.12,0.07,0.02,0,0.09,0.07,0.02,0.02,0.04,0.03,0.08,0.02,0.1,0.05,0.01,0.01,0.03,0.01,0.01,-0.01,-0.05,-0.01,-0.01,-0.02,-0.03,0.03,0.01,0.02,0.05,0.05,0.05,0.02,0.1,0.07,0.12,0.06,0.28,0.19,0.07,0.02,0.06,0.06,0.02,0,0.05,0.03,0,0,0.09,0.04,0.04,--,0.06,--,--,0,0, 经营现金净流量与净利润的比率(%),1.19,1.23,1.07,0.65,1.07,0.53,0.24,-0.33,1.69,1.34,1.33,1.24,0.9,0.77,0.82,0.52,1.25,0.89,0.41,0.01,1.11,0.98,0.48,0.75,0.59,0.77,0.88,0.46,3.98,3.78,1.56,2.1,2.64,0.23,0.3,-1.11,--,--,--,--,--,--,--,9.8,1.93,1.85,2.45,3.73,2.02,0.85,1.58,1.24,1.04,0.92,0.52,0.75,3.73,3.88,1.9,0.16,1.18,1.02,0.09,0.26,1.03,0.61,0.46,--,0.49,--,--,0,0, 经营现金净流量对负债比率(%),0.38,0.33,0.23,0.06,0.29,0.14,0.04,-0.02,0.41,0.39,0.36,0.2,0.57,0.27,0.14,0.04,0.28,0.15,0.05,0,0.24,0.24,0.08,0.08,0.18,0.11,0.18,0.03,0.18,0.1,0.03,0.02,0.05,0.01,0.01,-0.02,-0.08,-0.03,-0.03,-0.04,-0.07,0.08,0.02,0.1,0.26,0.17,0.15,0.06,0.29,0.2,0.33,0.17,0.74,0.49,0.16,0.06,0.12,0.15,0.06,0,0.12,0.09,0.01,0.02,0.69,0.2,0.07,--,0.12,--,--,0,0, 现金流量比率(%),52.07,42.37,28.85,6.98,32.51,15.96,4.27,-1.94,48.86,48.31,42.21,24.72,71.39,32.68,16.16,4.57,33.32,18.94,6.4,0.12,28.14,25.74,8.62,8.33,18.46,11.48,18.21,3.16,19.03,10.56,2.66,1.62,5.17,1.17,1.49,-2.26,-7.67,-3.77,-3.36,-4.94,-8.27,9.8,2.8,10.34,26.63,17.43,15.15,6.17,29.19,20.15,33.37,16.99,74.09,48.88,16.24,5.64,12.17,15.44,5.51,0.46,12.31,8.91,0.92,1.7,72.27,22.21,10.56,--,17.13,--,--,0,0,