报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2004-12-31,2003-12-31, 应收账款周转率(次),0.91,3.94,2.97,1.82,0.88,3.73,2.78,1.75,0.86,3.85,2.65,1.7,0.91,3.6,2.53,1.65,0.82,3.57,2.66,1.75,0.73,3.41,2.82,1.83,0.93,3.7,3.09,2.06,1.11,4.65,3.44,2.52,1.19,5.75,5.91,3.02,1.74,8.15,5.27,3.47,1.56,7.12,4.23,2.89,1.45,4.52,3.35,2.08,0.95,4.83,3.23,2.1,1.14,6.39,4.51,2.68,1.43,5.69,4.29,2.61,--,5.7,--,5.95,4.98, 应收账款周转天数(天),99.33,91.41,91.04,98.83,101.9,96.47,97.22,102.7,104.57,93.6,101.75,106.19,98.71,99.93,106.91,109.29,109.32,100.79,101.61,103,122.87,105.61,95.7,98.12,96.62,97.26,87.32,87.3,81.1,77.4,78.57,71.37,75.94,62.61,45.7,59.65,51.82,44.19,51.25,51.95,57.59,50.56,63.81,62.34,62.02,79.57,80.69,86.35,95.12,74.57,83.65,85.6,79.13,56.34,59.87,67.15,62.9,63.22,63.01,68.9,--,63.12,--,60.56,72.27, 存货周转率(次),2.25,9.52,5.97,3.9,1.73,7.47,5.34,3.83,1.44,8.15,5.32,4.24,1.78,8.69,5.81,3.66,1.65,7.98,5.48,3.09,1.13,6,3.66,2.78,1.31,5.15,4.12,2.7,1.23,5.98,4.36,2.28,0.98,5.08,3.93,2.81,1.04,5.16,3.7,2.36,1.22,6.65,5.11,3.15,2.23,7.66,6.27,3.81,2,7.54,6.53,3.16,1.73,9.71,6.9,3.86,2.43,7.24,5.86,4.18,--,8.82,--,8.64,9.16, 固定资产周转率(次),--,4.6,--,1.85,--,3.1,--,1.41,--,2.73,--,1.2,--,2.3,--,0.94,--,1.82,--,0.68,--,1.28,--,0.65,--,1.59,--,0.85,--,1.96,--,0.68,--,1.18,--,0.57,--,1.27,--,0.71,--,1.42,--,0.64,0.62,0.96,1.43,0.43,0.39,1.21,--,0.67,--,1.78,--,0.86,--,1.51,1.18,0.81,--,1.6,--,1.4,0.6, 总资产周转率(次),0.3,1.17,0.81,0.5,0.2,0.94,0.68,0.44,0.19,0.93,0.64,0.41,0.18,0.86,0.6,0.36,0.16,0.75,0.52,0.3,0.11,0.51,0.33,0.25,0.12,0.45,0.33,0.22,0.1,0.5,0.35,0.19,0.08,0.43,0.32,0.21,0.08,0.46,0.36,0.25,0.12,0.5,0.37,0.23,0.11,0.33,0.23,0.14,0.06,0.3,0.22,0.13,0.06,0.34,0.26,0.18,0.08,0.43,0.57,0.41,--,0.81,--,0.79,0.6, 存货周转天数(天),40.05,37.81,45.25,46.14,52.16,48.2,50.59,47.06,62.53,44.19,50.75,42.43,50.64,41.43,46.43,49.17,54.65,45.11,49.31,58.25,79.86,60.02,73.72,64.74,68.74,69.85,65.54,66.64,73.15,60.16,61.9,78.93,91.47,70.9,68.72,64.15,86.3,69.75,72.94,76.35,73.92,54.17,52.86,57.21,40.37,47.02,43.06,47.22,45.01,47.76,41.32,56.9,52.03,37.07,39.14,46.62,36.97,49.76,46.08,43.06,--,40.81,--,41.66,39.28, 总资产周转天数(天),297.52,307.25,333.91,357.78,440.96,381.23,397.88,408.53,482.32,387.89,419.06,434.26,507.61,420.46,447.46,498.48,552.49,479.17,522.75,603.62,806.45,701.21,809.35,731.41,772.53,795.23,809.6,821.54,875.49,717.13,765.09,963.08,1174.93,828.54,855.78,838.38,1079.14,776.2,757.36,730.22,769.89,725.66,738.71,796.46,841.12,1106.33,1192.05,1305.29,1451.61,1196.01,1214.03,1400.78,1522.84,1065.09,1036.07,1011.8,1105.65,832.37,477.71,441.83,--,446.59,--,455.12,603.62, 流动资产周转率(次),0.39,1.56,1.08,0.68,0.28,1.35,0.98,0.64,0.27,1.4,0.96,0.64,0.27,1.34,0.94,0.58,0.26,1.24,0.87,0.51,0.2,0.93,0.63,0.47,0.22,0.8,0.6,0.39,0.18,0.89,0.59,0.32,0.12,0.81,0.59,0.4,0.15,0.84,0.67,0.45,0.22,0.93,0.69,0.43,0.2,0.61,0.43,0.26,0.11,0.51,0.38,0.21,0.09,0.49,0.36,0.23,0.1,0.62,1.19,0.9,--,1.68,--,1.98,182.28, 流动资产周转天数(天),233.28,231.26,249.91,263.54,320.97,267.54,276.5,281.82,327.39,256.34,280.81,283.42,327.39,268.88,286.2,312.34,344.96,289.88,311.38,351.77,458.72,388.56,428.1,384.53,412.65,451.18,450.83,461.18,505.33,406.32,459.26,568.72,740.74,444.5,458.56,454.55,603.22,430.21,403.71,396.83,413.03,387.93,392.61,420.36,442.48,591.72,626.89,680.53,785.34,706.99,714.47,853.49,956.43,740.59,749.17,773.53,858.78,580.46,226.83,200.74,--,214.25,--,181.78,1.98, 经营现金净流量对销售收入比率(%),0.04,0.04,0.07,0.01,0.26,0.13,0.17,0.21,0.42,0.06,0.09,0.06,0.39,0.09,0.1,0.2,0.6,0.05,0.08,0.16,0.24,0.04,0.09,-0.01,0.24,-0.06,-0.11,-0.2,-0.24,0.21,0.19,0.36,0.45,0.1,0.05,-0.08,0.02,0.48,0.42,0.44,0.25,0.52,0.45,0.45,0.52,0.34,0.33,0.38,0.57,0.55,0.48,0.47,0.76,0.37,0.37,0.22,0.28,0.63,0.56,0.54,0.48,0.39,--,0.4,0.32, 资产的经营现金流量回报率(%),0.01,0.04,0.05,0,0.05,0.12,0.11,0.09,0.08,0.05,0.05,0.02,0.07,0.08,0.06,0.07,0.1,0.04,0.04,0.05,0.03,0.02,0.03,-0,0.03,-0.03,-0.04,-0.04,-0.02,0.08,0.05,0.05,0.03,0.04,0.02,-0.02,0,0.21,0.15,0.11,0.03,0.23,0.16,0.1,0.05,0.1,0.07,0.05,0.03,0.16,0.1,0.06,0.04,0.12,0.09,0.04,0.02,0.19,0.32,0.23,--,0.31,--,0.24,0.19, 经营现金净流量与净利润的比率(%),0.48,0.55,0.98,0.09,4.2,2.18,2.56,4.8,46.33,1.07,1.61,1.94,--,2.37,2.88,4.94,12.29,0.73,1.5,2.83,16.37,--,--,--,--,-7.66,-5.72,-5.93,-6.91,6.17,5.7,9.2,6.8,0.86,0.37,-0.57,0.12,1.29,1.1,1.04,0.58,1.31,1.31,1.34,1.85,1.2,1.28,1.49,2.14,1.37,1.21,1.24,1.96,0.91,0.98,0.6,0.85,1.44,1.37,1.37,1.41,0.89,--,1.03,1.62, 经营现金净流量对负债比率(%),0.04,0.14,0.17,0.01,0.22,0.49,0.46,0.38,0.4,0.24,0.21,0.1,0.38,0.4,0.29,0.41,0.56,0.18,0.2,0.27,0.18,0.13,0.2,-0.01,0.15,-0.13,-0.25,-0.28,-0.17,0.41,0.31,0.49,0.38,0.47,0.17,-0.13,0.01,1.82,1.61,0.97,0.3,1.44,0.99,0.67,0.36,0.65,0.48,0.36,0.29,1.62,0.94,0.46,0.44,1.14,0.87,0.42,0.13,2.09,1.05,0.69,--,1.76,--,0.74,0.76, 现金流量比率(%),4.7,14.93,18.91,1.65,25.96,56.3,54.02,44.86,49.42,30.01,24.66,12.72,50.31,52.15,36.48,55.31,75.53,22.91,26.99,37.4,27.31,18.33,29.59,-2.08,20.91,-16.38,-34.31,-38.37,-22.05,50.48,40.28,76.59,45.22,49.56,17.58,-13.61,1.46,195.38,220.33,153.84,51.49,191.48,110.95,70.03,68.81,121.69,126.26,85.2,44.23,165.15,94.12,46.46,57.59,148.71,128.66,69.45,14.82,255.93,112.79,74.18,--,313.45,--,80.22,141.8,