报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2005-06-30,2005-03-31,2004-12-31,2004-09-30,2004-06-30,2004-03-31,2003-12-31,2003-09-30,2003-06-30,2003-03-31,2002-12-31,2002-09-30,2002-06-30,2001-12-31,2001-06-30,2000-12-31,1999-12-31, 应收账款周转率(次),13.27,47.76,33.37,20.65,10.1,59.79,51.2,31.54,15.51,62.74,48.94,32.51,17.34,69.84,55.42,38.63,20.02,82.15,61.62,41.23,24.01,82.45,68.82,44.98,24.33,83.12,56.57,43.36,23.45,96.82,75.8,47.14,20.24,107.04,71.66,48.01,30.36,118.07,73.83,60.45,30.69,133.69,90.86,83.31,39.26,135.51,83.12,73.06,34.13,116.2,57.29,54.53,34.67,122.45,72.1,59.55,30.91,133.35,88.65,68.93,37.48,126.53,82.1,65.51,37.34,131.59,96.66,65.9,54.78,213.24,143.2,149.15,67.15,262.17,250.89,121.69,90.48,--,35.46,30.17, 应收账款周转天数(天),6.78,7.54,8.09,8.72,8.91,6.02,5.27,5.71,5.8,5.74,5.52,5.54,5.19,5.15,4.87,4.66,4.5,4.38,4.38,4.37,3.75,4.37,3.92,4,3.7,4.33,4.77,4.15,3.84,3.72,3.56,3.82,4.45,3.36,3.77,3.75,2.96,3.05,3.66,2.98,2.93,2.69,2.97,2.16,2.29,2.66,3.25,2.46,2.64,3.1,4.71,3.3,2.6,2.94,3.74,3.02,2.91,2.7,3.05,2.61,2.4,2.85,3.29,2.75,2.41,2.74,2.79,2.73,1.64,1.69,1.89,1.21,1.34,1.37,1.08,1.48,3.98,--,10.15,11.93, 存货周转率(次),0.88,4.8,3.62,3.42,1.34,8.65,6.58,4.93,1.96,8.9,6.57,4.37,2.35,10.19,7.01,4.64,2.41,9.83,6.75,4.44,2.38,7.69,5.9,3.77,2.11,7.75,5.89,4.02,2.24,9.34,6.97,4.81,2.61,8.47,6.07,3.9,2.17,10.11,8.28,5.31,3.31,13.62,9.03,6.28,3.44,13.65,10.01,6.96,3.78,11.89,8.08,5.15,3.33,10.69,8.04,5.25,3.12,11.94,9.45,6.87,3.94,11.46,8.76,6.08,3.64,10.51,9.05,6.56,3.94,16.89,13.25,8.98,4.53,18.71,13.73,9.33,17.4,--,13.44,11.79, 固定资产周转率(次),--,9.49,--,3.96,--,10.42,--,5.11,--,9.66,--,4.76,--,9.82,--,4.8,--,9.57,--,4.48,--,7.78,--,3.71,--,6.9,--,3.54,--,7.02,--,3.67,--,7.65,--,4.99,--,10.57,--,5.77,--,10.54,--,5.14,--,9.05,--,4.37,--,7.58,--,3.89,--,7.67,--,4.87,--,9.07,7.17,5.2,2.78,12.02,9.22,9.68,5.66,19.43,15.57,11.24,6.8,24.99,19.35,12.6,5.99,16.96,12.65,8.14,13.29,--,9.36,3.28, 总资产周转率(次),0.29,1.21,0.88,0.53,0.23,1.75,1.43,0.98,0.47,1.84,1.32,0.9,0.48,1.73,1.2,0.81,0.42,1.75,1.25,0.91,0.48,1.76,1.31,0.85,0.53,1.87,1.4,0.96,0.52,1.92,1.41,0.97,0.49,1.73,1.34,0.92,0.5,1.99,1.57,1.07,0.58,2.21,1.62,1.12,0.62,2.27,1.66,1.15,0.58,1.97,1.47,0.94,0.52,1.76,1.36,0.95,0.52,2.01,1.68,1.23,0.66,2.18,1.61,1.15,0.64,2.09,1.63,1.18,0.68,2.65,2.05,1.39,0.65,2.79,2.03,1.26,3.94,--,3.3,3.28, 存货周转天数(天),102.18,75,74.65,52.63,67.37,41.62,41.01,36.48,45.88,40.44,41.1,41.18,38.24,35.31,38.5,38.82,37.3,36.62,39.97,40.56,37.85,46.82,45.77,47.75,42.57,46.48,45.83,44.79,40.22,38.56,38.74,37.41,34.52,42.52,44.5,46.11,41.56,35.6,32.63,33.88,27.19,26.43,29.9,28.65,26.2,26.37,26.98,25.88,23.78,30.27,33.43,34.97,27.06,33.66,33.6,34.31,28.86,30.15,28.58,26.21,22.83,31.43,30.81,29.62,24.75,34.26,29.83,27.45,22.82,21.32,20.37,20.06,19.86,19.24,19.67,19.3,20.68,--,26.78,30.54, 总资产周转天数(天),309.17,297.47,306.54,341.36,394.91,206.02,188.68,183.39,191.94,195.15,204.1,199.42,189.31,208.42,224.91,220.89,213.47,205.76,216.52,197.95,186.1,205.03,205.7,211.32,170.97,192.32,192.9,187.01,174.72,187.84,191.76,184.69,181.97,208.24,201.51,196.08,181.42,180.6,172.49,168.98,154.22,162.92,167.08,160.66,146.22,158.7,162.45,157.15,154.27,182.93,183.65,190.7,174.55,205.07,198.25,188.82,173.51,179.11,160.56,146.01,135.95,165.43,168.08,157.01,141.71,172.61,165.15,152.84,132.8,136,131.62,129.63,138.8,129.24,132.91,142.36,91.38,--,109.14,109.82, 流动资产周转率(次),0.54,2.55,1.94,1.14,0.54,3.96,3.16,2.21,1.03,3.95,2.79,1.94,1.02,3.75,2.66,1.83,0.93,4.02,2.86,2.14,1.15,3.9,3,1.96,1.12,3.97,2.97,2.04,1.12,4.11,3.03,2.14,1.06,3.58,2.74,1.88,1.02,4.06,3.18,2.2,1.21,4.36,3.24,2.31,1.21,4.59,3.42,2.44,1.26,4.22,3.1,1.95,1.04,3.37,2.61,1.79,0.9,3.63,3.15,2.3,1.23,3.32,2.46,1.5,0.8,2.57,2,1.44,0.82,3.2,2.47,1.67,0.78,3.6,2.63,1.56,6.15,--,5.84,628.5, 流动资产周转天数(天),167.63,141.41,139.07,158.02,165.9,90.83,85.55,81.59,87.42,91.14,96.93,92.8,88.34,95.88,101.45,98.53,96.89,89.63,94.34,84.21,78.42,92.19,90.02,91.69,80.62,90.75,91,88.24,80.7,87.56,88.99,84.08,85.2,100.58,98.4,95.64,88.51,88.62,84.78,81.97,74.44,82.49,83.28,77.96,74.69,78.47,78.89,73.77,71.41,85.31,87.1,92.48,86.59,106.68,103.63,100.8,99.59,99.06,85.69,78.36,73.41,108.34,109.91,119.82,111.97,139.95,135.32,125.2,109.66,112.47,109.17,107.49,114.72,99.97,102.7,115.7,58.51,--,61.68,0.57, 经营现金净流量对销售收入比率(%),0.09,0,-0.01,-0.08,0.14,-0.02,0.04,0.07,0.05,0.02,0.02,0.01,0.03,0.03,0.02,0.01,-0.03,0.04,0.03,0.04,0.03,0.05,0.05,0.03,0.08,0.02,0.01,-0.01,0,0.01,0.01,0,0.03,0.03,0.02,-0,0,0.02,0.01,-0.01,-0.02,0.07,0.05,0.03,0.03,0.09,0.08,0.09,0.11,0.08,0.05,0.04,0.17,0.07,0.04,0.03,0.09,0.05,0.03,0.04,0.09,0.08,0.05,0.07,0.15,0.01,0.03,0.01,0.02,0.06,0.05,0.03,-0,0.05,0,0.07,0.07,0,0.02,0, 资产的经营现金流量回报率(%),0.02,0,-0.01,-0.04,0.03,-0.03,0.05,0.06,0.02,0.04,0.02,0.01,0.01,0.04,0.02,0.01,-0.01,0.06,0.03,0.04,0.02,0.08,0.06,0.02,0.04,0.03,0.01,-0.01,0,0.02,0.01,0,0.02,0.05,0.03,-0,0,0.04,0.02,-0.01,-0.01,0.14,0.07,0.03,0.02,0.19,0.13,0.1,0.07,0.15,0.07,0.04,0.08,0.11,0.06,0.03,0.05,0.1,0.06,0.05,0.06,0.17,0.09,0.08,0.1,0.02,0.04,0.01,0.02,0.12,0.08,0.04,-0,0.11,0,0.06,0.24,--,0.05,0, 经营现金净流量与净利润的比率(%),1.66,0.1,-0.45,-2.14,3.65,-0.9,0.98,1.41,0.85,0.64,0.43,0.28,0.51,0.86,0.47,0.15,-0.61,1.56,0.98,1.04,0.81,2.31,2.19,1.01,2.33,0.93,0.24,-0.24,0.12,0.54,0.25,0.17,1.58,1.8,1.18,-0.01,0.08,0.56,0.3,-0.15,-0.37,1.54,1.01,0.56,0.54,2.02,2.04,2.12,3.11,2.61,1.53,1.06,3.51,2.21,1.31,0.87,2.53,1.91,1.2,1.2,2.31,2.31,1.57,1.93,4.84,0.24,0.85,0.28,0.67,2.65,2.05,1.15,-0.01,2.2,0,2.2,2.28,0,0.46,0, 经营现金净流量对负债比率(%),0.05,0.01,-0.02,-0.1,0.08,-0.08,0.13,0.16,0.06,0.1,0.05,0.04,0.03,0.1,0.04,0.02,-0.03,0.14,0.07,0.07,0.03,0.15,0.11,0.05,0.07,0.05,0.01,-0.01,0,0.04,0.01,0.01,0.02,0.07,0.05,-0,0,0.06,0.03,-0.01,-0.02,0.25,0.12,0.05,0.03,0.33,0.23,0.17,0.11,0.25,0.12,0.06,0.14,0.19,0.1,0.06,0.08,0.17,0.11,0.1,0.12,0.34,0.18,0.16,0.2,0.03,0.1,0.02,0.04,0.24,0.16,0.08,-0,0.33,0,0.18,0.37,--,0.07,0, 现金流量比率(%),6.2,1.09,-2.64,-11.46,9.74,-10.07,14.29,18,6.91,11.8,6.2,4.24,3.92,11.89,5.34,1.91,-3.8,16.33,8.86,8.09,3.58,17.86,13.01,5.31,7.39,5.15,1.34,-1.06,0.34,3.87,1.28,0.6,2.56,7.18,5,-0.03,0.21,5.71,2.72,-1.22,-1.79,25.18,12.6,5.48,3.1,33.65,23.63,17.54,11.78,25.49,13.54,7.15,16.15,21.64,11.92,6.93,9.24,21.07,12.02,10.15,12.97,36.17,18.81,16.49,20.22,3.34,9.57,2.47,3.54,24.47,16.61,8.42,-0.05,33.64,0,17.95,38.49,--,6.94,0,