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, 应收账款周转率(次),10.94,63.34,26.75,17.18,5.65,59.94,13.79,10.49,4.22,25.31,12.95,10.22,4.47,19.57,12.13,7.75,3.24,11.38,6.18,3.87,1.64,10.26,5.69,4.42,1.97,13.94,7.36,5.62,2.38,11.43,6.24,3.82,1.44,9.49,5.18,3.49,1.65,10.94,6.61,4.49,2.04,9.77,6.2,4.31,1.73,6.77,3.66,2.47,0.82,6.66,4.62,3.32,1.51,5.8,3.9,2.35,1.04,5.41,4.13,2.75,1.32,7.3,4.78,3.38,1.49,3.97,2.7,1.36,0.65,2.56,1.67,1.05,0.49,1.88,0.99,0.6,0.28,1.25,0.53,1.17,0.72,1.02,1.17,1.03, 应收账款周转天数(天),8.22,5.68,10.09,10.47,15.94,6.01,19.58,17.16,21.32,14.22,20.85,17.61,20.13,18.39,22.26,23.23,27.82,31.64,43.71,46.49,54.71,35.07,47.46,40.73,45.72,25.83,36.68,32.03,37.79,31.5,43.28,47.14,62.58,37.93,52.15,51.59,54.39,32.9,40.86,40.05,44.14,36.83,43.57,41.81,52.15,53.21,73.78,73.01,109.86,54.04,58.48,54.18,59.43,62.08,69.21,76.6,86.42,66.55,65.36,65.39,68.28,49.29,56.5,53.19,60.49,90.62,100.02,132.27,139.13,140.45,161.38,172.13,185.41,191.88,272.23,297.77,325.26,287.84,342.86,307.69,249.93,353.88,307.82,349.62, 存货周转率(次),2.44,12.02,7.24,4.15,1.88,12.89,3.96,2.76,1.58,5.1,3.89,2.61,1.39,4.87,4.07,2.66,1.11,4.74,3.59,2.3,0.97,4.37,2.93,2.22,1.06,4.69,3.67,2.39,0.98,3.29,2.55,1.55,0.63,2.95,1.86,1.31,0.55,3.55,2.73,2.09,1.12,4.82,3.33,2.53,1.31,3.82,2.4,1.38,0.5,3.46,2.35,1.98,1.01,3.96,3.1,1.71,0.92,3.74,3.73,2.54,1.14,3.92,3.24,2.1,1.03,3.51,2.46,1.64,0.73,2.9,1.96,1.42,0.65,2.57,1.58,0.96,0.42,1.76,0.75,1.61,0.86,1.6,1.65,1.23, 固定资产周转率(次),--,1.02,--,0.41,--,1.48,--,0.54,--,0.97,--,0.49,--,0.84,--,0.41,--,0.65,--,0.29,--,0.6,--,0.3,--,0.63,--,0.29,--,0.63,--,0.38,--,0.95,--,0.46,--,1.18,--,0.75,--,1.28,--,0.58,--,1.06,--,0.45,--,1.07,--,0.56,--,0.92,--,0.42,--,0.83,0.66,0.42,0.2,1.06,0.81,0.66,0.29,1,0.71,0.53,0.23,0.92,0.74,0.49,0.23,1.06,0.85,0.49,0.28,1.33,0.73,1.61,0.81,1.55,1.75,0.4, 总资产周转率(次),0.17,0.71,0.45,0.28,0.13,0.96,0.45,0.31,0.15,0.56,0.42,0.28,0.14,0.5,0.37,0.24,0.11,0.39,0.26,0.17,0.08,0.35,0.25,0.17,0.08,0.39,0.28,0.19,0.08,0.29,0.2,0.13,0.05,0.25,0.18,0.13,0.05,0.3,0.22,0.16,0.08,0.33,0.24,0.17,0.07,0.36,0.24,0.16,0.07,0.49,0.38,0.26,0.13,0.49,0.34,0.22,0.12,0.47,0.38,0.24,0.12,0.49,0.37,0.23,0.1,0.37,0.28,0.19,0.09,0.37,0.27,0.18,0.09,0.32,0.22,0.13,0.06,0.25,0.12,0.33,0.25,0.42,0.48,0.4, 存货周转天数(天),36.82,29.94,37.27,43.33,47.95,27.94,68.2,65.16,56.97,70.63,69.43,68.98,64.98,73.89,66.3,67.64,81.29,76.02,75.12,78.15,92.43,82.33,92.02,80.9,84.99,76.72,73.47,75.23,91.66,109.33,105.79,116.17,143.82,121.96,144.83,137.84,164.38,101.51,98.94,86.15,80.15,74.76,81.03,71.21,68.47,94.36,112.49,130.44,179.21,104,114.87,91.08,88.89,90.99,87,105.15,97.55,96.32,72.42,70.73,79.02,91.81,83.21,85.6,87.16,102.65,109.56,109.62,123.88,124.19,137.7,127.14,138.25,140.01,171.4,188.3,213.73,204.63,239.52,223.02,209.18,225.3,218.05,293.69, 总资产周转天数(天),516.94,508.04,597.48,652.65,705.33,374.49,601.87,582.34,587.08,640.57,646.71,647.48,660.31,716.7,731.71,743.19,790.17,933.61,1019.64,1075.27,1200,1028.28,1080.43,1032.7,1083.03,928.07,964.29,951.88,1072.71,1248.27,1330.05,1404.06,1663.59,1428.57,1495.02,1416.21,1701.32,1181.49,1209.68,1126.41,1165.8,1075.91,1125.94,1084.99,1204.82,989.28,1118.48,1129.94,1267.61,736.05,714.47,692.84,700.93,735.9,789.94,823.42,755.67,763.84,718.47,737.4,773.86,742.12,729.93,800,882.35,976.4,969.13,934.58,982.53,970.87,989.37,983.07,1030.93,1115.59,1230.07,1370.91,1576.18,1456.9,1475.41,1101.93,732.3,852.47,753.45,896.19, 流动资产周转率(次),0.78,3.34,2,1.23,0.57,4.16,1.55,1.07,0.54,2.28,1.68,1.11,0.55,2.37,1.67,1.17,0.57,1.89,1.16,0.7,0.34,1.57,1.12,0.76,0.35,1.85,1.35,0.98,0.44,1.43,0.97,0.61,0.27,1.2,0.84,0.6,0.25,1.26,0.78,0.55,0.26,0.95,0.61,0.42,0.17,0.94,0.67,0.44,0.21,1.63,1.2,0.79,0.42,1.65,1.05,0.68,0.37,1.57,1.24,0.82,0.39,1.55,1.14,0.7,0.32,1.07,0.79,0.49,0.24,0.94,0.69,0.44,0.21,0.61,0.36,0.22,0.09,0.35,0.16,0.44,0.39,0.62,0.7,59.3, 流动资产周转天数(天),115.46,107.65,134.78,146.87,158.53,86.61,174.55,168.1,165.87,158.07,160.9,162.37,163.13,151.64,161.43,154,156.71,190.24,233.56,258.32,268.02,229.02,241.81,237.62,256.7,194.45,199.38,182.98,205.48,252.26,278.98,296.69,330.28,299.3,321.81,301.86,366.45,284.61,346.64,325.26,348.03,378.87,445.77,432.59,533.49,383.18,403.65,413.13,426.95,221.05,224.68,228.8,212.11,217.81,257.49,262.93,244.7,229.72,217.5,220.59,229.07,232.45,236.9,258.47,285.62,337.87,341.6,368.63,369.76,383.71,393.13,404.68,420.17,588.43,744.62,826.45,986.84,1015.51,1115.93,812.64,462.25,577.57,511,6.07, 经营现金净流量对销售收入比率(%),0.31,0.17,0.17,0.18,0.27,0.16,0.22,0.18,0.17,0.22,0.21,0.09,0.14,0.19,0.1,0.12,0.13,0.11,-0,0.13,-0.05,0.12,0.2,0.17,-0,0.1,0.05,0.03,0.06,0.05,-0.03,0.01,-0.02,0.01,-0.02,0.03,-0.06,-0.02,-0.03,-0.01,-0.09,0.02,0.02,0.02,-0.06,0.04,-0.05,-0.11,-0.2,0.1,0.12,0.07,0.02,0.11,0.08,0.03,0.04,0.12,0.08,0.12,0.08,0.26,0.3,0.22,0.13,0.15,0.09,0.11,0.07,0.07,0.01,-0.02,-0.56,0.03,0,-0.18,--,0.15,0.01,0.08,0.76,-0.12,--,--, 资产的经营现金流量回报率(%),0.05,0.12,0.08,0.05,0.03,0.12,0.1,0.06,0.02,0.13,0.09,0.02,0.02,0.09,0.04,0.03,0.01,0.04,-0,0.02,-0,0.04,0.05,0.03,0,0.04,0.01,0.01,0.01,0.01,-0.01,0,-0,0,-0,0,-0,-0.01,-0.01,-0,-0.01,0.01,0,0,-0,0.01,-0.01,-0.01,-0.01,0.05,0.04,0.02,0,0.05,0.03,0.01,0.01,0.06,0.03,0.03,0.01,0.12,0.11,0.05,0.01,0.05,0.02,0.02,0.01,0.02,0,-0,-0.05,0.01,0,-0.02,--,0.03,0,0.02,0.2,-0.05,--,--, 经营现金净流量与净利润的比率(%),2.64,2.68,3.39,5.3,5.77,1.5,1.44,1.1,1.15,1.89,1.55,0.55,1.12,1.54,0.72,0.86,0.79,2.44,-0.11,3.9,-3.73,--,--,--,--,--,--,--,--,--,-4.94,0.51,-5.47,--,--,--,--,-0.29,-0.62,-0.2,-2.8,0.52,0.36,0.71,-2.31,1.45,-7.49,--,--,1.9,1.52,0.67,0.12,1.67,2,0.51,0.49,2.09,1.16,1.34,1.47,3.34,2.23,1.54,1.1,1.96,1.27,1.44,0.64,1.11,0.29,-0.53,-9.44,0.24,0,-1.36,--,0.99,0.08,0.51,3.53,-0.79,--,--, 经营现金净流量对负债比率(%),0.11,0.26,0.15,0.09,0.06,0.2,0.2,0.1,0.04,0.22,0.15,0.04,0.03,0.15,0.06,0.04,0.02,0.07,-0,0.03,-0,0.05,0.06,0.04,0,0.05,0.02,0.01,0.01,0.02,-0.01,0,-0,0,-0,0.01,-0,-0.01,-0.01,-0,-0.01,0.01,0,0.01,-0.01,0.02,-0.02,-0.02,-0.02,0.09,0.08,0.03,0,0.09,0.05,0.01,0.01,0.11,0.06,0.06,0.02,0.23,0.2,0.09,0.02,0.1,0.05,0.04,0.01,0.05,0.01,-0.01,-0.13,0.02,0,-0.06,--,0.08,0.01,0.06,0.37,-0.08,--,--, 现金流量比率(%),12.57,29.21,17.17,11.39,6.75,23.01,20.84,11.03,4.48,23.14,16,4.51,3.73,18.01,7.49,5.96,3.13,9.22,-0.2,4.04,-0.66,7.06,8.59,5.35,-0,7.31,2.84,1.26,0.99,2.47,-1.01,0.33,-0.19,0.65,-0.66,1.03,-0.89,-1.33,-1.91,-0.52,-2.02,2.12,0.94,1.1,-1.42,3.65,-3.47,-4.88,-3.44,11.08,10.78,3.88,0.57,13.82,8.14,1.66,1.98,23.89,14.33,13.88,3.99,43.54,27.73,11.28,3.06,12.38,5.59,5.06,1.47,5.6,1.08,-1.16,-15.09,2.49,0,-10.62,--,12.37,1.02,9.22,50.3,-11.16,--,--,