报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2005-12-31, 应收账款周转率(次),28.35,113.17,116.52,59.55,38.65,202.77,140.22,111.24,70.05,239.41,145.69,111.43,54.45,164.96,108.65,75.4,34.05,133.68,84.94,65.09,37.05,171.02,106.27,77.27,43.7,172.93,108.01,78.71,43.64,162.61,113.5,78.94,46.7,200.15,182.81,132.18,73.78,328.2,211.56,145.17,86.13,341.12,260.77,172.6,107.14,370.19,227.32,158.61,99.86,416.77,319.35,239.04,140.59,704.57,--,--,--,1153.6,821.42, 应收账款周转天数(天),3.17,3.18,2.32,3.02,2.33,1.78,1.93,1.62,1.28,1.5,1.85,1.62,1.65,2.18,2.49,2.39,2.64,2.69,3.18,2.77,2.43,2.11,2.54,2.33,2.06,2.08,2.5,2.29,2.06,2.21,2.38,2.28,1.93,1.8,1.48,1.36,1.22,1.1,1.28,1.24,1.04,1.06,1.04,1.04,0.84,0.97,1.19,1.13,0.9,0.86,0.85,0.75,0.64,0.51,--,--,--,0.31,0.44, 存货周转率(次),1.61,4.93,5.21,3.73,1.94,6.21,5.34,3.81,2.09,6.6,5.56,3.99,2.19,6.48,5.17,3.8,1.96,6.12,5.47,3.85,2.1,7.31,6.08,4.46,2.26,6.25,5.27,3.76,2.02,6.53,6.01,4.42,2.32,6.89,5.67,4.02,2.24,6.75,6.08,4.54,2.59,7.6,6.62,5.04,2.86,8.17,6.36,4.79,2.77,8.57,7.48,5.41,3.12,9.66,--,--,--,11.05,8.92, 固定资产周转率(次),--,3.28,--,2.28,--,4.58,--,2.53,--,4.1,--,1.89,--,3.79,--,2.1,--,4.16,--,2.21,--,4.83,--,2.5,--,4.18,--,2.29,--,4.32,--,2.34,--,4.72,--,2.72,--,5.76,--,3.57,--,6.48,--,3.61,--,7.72,--,5.01,--,9.79,--,5.57,--,8.65,--,--,--,--,2.79, 总资产周转率(次),0.16,0.64,0.61,0.42,0.23,0.87,0.67,0.47,0.26,1,0.78,0.59,0.34,1.13,0.85,0.59,0.33,1.15,0.91,0.63,0.36,1.47,1.13,0.79,0.43,1.43,1.1,0.77,0.43,1.57,1.23,0.88,0.47,1.78,1.36,0.96,0.53,1.88,1.49,1.07,0.61,1.97,1.55,1.11,0.59,2,1.51,1.04,0.59,2.49,1.93,1.4,0.97,3.27,--,--,--,3.49,2.79, 存货周转天数(天),55.96,73.02,51.82,48.28,46.33,58.01,50.58,47.25,43.16,54.51,48.57,45.14,41.07,55.55,52.22,47.42,45.95,58.8,49.34,46.7,42.82,49.28,44.42,40.33,39.89,57.6,51.27,47.83,44.51,55.11,44.94,40.7,38.81,52.22,47.66,44.73,40.21,53.34,44.43,39.68,34.79,47.39,40.8,35.73,31.47,44.07,42.42,37.6,32.53,42.03,36.08,33.3,28.87,37.28,--,--,--,32.57,40.34, 总资产周转天数(天),553.51,563.2,440.74,426.04,398.23,414.6,404.49,380.39,343.38,361.3,344.04,303.9,266.9,318.95,318.21,304.31,274.64,312.12,296.31,286.17,250.42,245.53,239.64,227.53,209.06,252.31,246.13,233.13,207.04,229.5,220,203.57,190.72,202.58,199.1,187.52,169.36,191.96,180.87,168.43,148.71,182.42,174.45,162.44,151.39,179.67,178.23,173.24,151.85,144.62,140.23,128.38,92.41,109.96,--,--,--,103.03,129, 流动资产周转率(次),0.75,2.61,2.42,1.64,0.88,3.29,2.6,1.89,0.99,3.24,2.48,1.71,0.98,3,2.28,1.61,0.87,2.97,2.44,1.64,0.95,3.89,3.03,2.16,1.15,3.65,2.71,1.94,1.07,3.9,2.98,2.1,1.08,4.28,3.1,2.28,1.22,3.78,2.88,2.03,1.1,3.58,2.86,2.07,1.07,3.33,2.38,1.57,0.88,4.06,3.1,2.22,1.79,6.22,--,--,--,6.3,477.66, 流动资产周转天数(天),120.18,138.12,111.61,109.68,102.53,109.51,103.68,95.24,90.71,111.1,108.92,105.34,91.44,120,118.67,111.82,103.44,121.28,110.66,109.68,94.61,92.49,89.23,83.19,78.14,98.51,99.49,92.7,84.47,92.19,90.51,85.56,83.2,84.19,87.1,78.79,73.96,95.24,93.68,88.57,82.09,100.65,94.32,86.89,83.81,108.16,113.37,114.75,102.28,88.74,87.09,80.91,50.15,57.85,--,--,--,57.17,0.75, 经营现金净流量对销售收入比率(%),0.3,0.09,0.07,0.07,0.11,0.09,0.07,0.09,0.19,0.08,0.07,0.09,0.2,0.07,0.08,0.1,0.12,0.06,0.07,0.06,0.1,0.04,0.04,0.06,0.19,0.05,0.06,0.05,0.06,0.07,0.09,0.12,0.16,0.08,0.09,0.09,0.11,0.07,0.1,0.1,0.15,0.07,0.11,0.11,0.19,0.07,0.09,0.16,0.21,0.07,0.08,0.07,0.15,0.08,--,--,0.2,0.08,0.07, 资产的经营现金流量回报率(%),0.05,0.05,0.04,0.03,0.03,0.07,0.04,0.04,0.05,0.07,0.05,0.05,0.07,0.07,0.06,0.06,0.04,0.07,0.06,0.04,0.04,0.05,0.04,0.04,0.07,0.07,0.07,0.04,0.03,0.09,0.1,0.1,0.07,0.13,0.12,0.08,0.06,0.12,0.13,0.1,0.09,0.12,0.16,0.12,0.11,0.14,0.12,0.16,0.12,0.13,0.12,0.08,0.14,0.21,--,--,--,0.23,0.2, 经营现金净流量与净利润的比率(%),11.71,11.29,6.15,4.34,6.16,9.71,4.06,3.46,5.68,8.95,4.94,3.96,6.49,7.42,5.18,4.04,3.56,7.05,4.27,2.81,3.55,2.65,2.13,2.11,4.65,1.88,1.71,1.11,1.23,1.84,2.45,2.8,3.03,2.31,2.67,2.21,2.16,2.29,3.26,2.79,3.52,2.7,4.22,3.42,4.32,2.5,2.92,4.4,4.26,2.14,2.49,1.93,3.02,2.53,--,--,4.39,2.78,2.06, 经营现金净流量对负债比率(%),0.06,0.08,0.06,0.04,0.04,0.11,0.06,0.06,0.08,0.11,0.09,0.09,0.12,0.12,0.11,0.1,0.07,0.12,0.09,0.06,0.06,0.08,0.07,0.08,0.12,0.12,0.11,0.06,0.05,0.15,0.16,0.18,0.13,0.19,0.17,0.13,0.08,0.17,0.21,0.17,0.15,0.2,0.28,0.24,0.22,0.28,0.26,0.31,0.25,0.28,0.26,0.19,0.2,0.29,--,--,--,0.3,0.26, 现金流量比率(%),8.01,9.13,7.42,5.35,4.73,13.1,8.04,7.99,8.87,12.37,9.74,9.91,13.2,12.94,11.97,11.5,8.04,13.2,10.27,6.93,6.71,8.73,8.35,8.44,12.87,12.88,12.15,6.49,4.89,15.21,16.92,18.36,12.87,19.65,18.62,14.24,9.07,18.95,21.56,17.59,15.64,21.07,28.47,23.84,21.67,28.02,25.55,31.45,25.08,27.71,26.07,19.4,20.31,29.67,--,--,--,30.13,26.15,