报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2006-12-31,2005-12-31, 应收账款周转率(次),0.92,4.64,3.12,1.95,0.97,4.33,2.85,1.75,0.81,4.4,3.43,2.2,1.06,4.03,2.93,1.84,0.89,3.58,2.59,1.71,0.82,4.54,3.25,2.03,1.03,4.68,3.24,2.18,1.1,6.13,3.86,2.56,1.2,5.27,3.49,2.2,1.12,4.89,3.8,2.32,1.13,4.52,3.15,2.07,1.01,5.42,3.2,2.24,--,5.5,--,5.24,5.28, 应收账款周转天数(天),97.37,77.66,86.53,92.08,92.77,83.21,94.89,102.6,110.76,81.78,78.81,81.64,84.52,89.39,92.07,97.87,101.1,100.47,104.06,105.5,109.94,79.37,82.96,88.84,87.2,76.89,83.35,82.74,82.18,58.73,69.95,70.44,74.78,68.26,77.36,81.7,80.49,73.68,71.12,77.63,79.32,79.69,85.83,86.84,89.38,66.45,84.41,80.19,--,65.51,--,68.65,68.17, 存货周转率(次),1.08,6.31,4.49,2.75,1.41,6.12,4.02,2.21,1.02,6.82,4.74,3.31,1.8,6.17,4.19,2.41,1.26,4.57,3.08,2.04,0.88,4.29,3.08,1.89,0.9,3.49,2.65,1.7,0.72,3.19,2.48,1.56,0.61,3.4,2.59,1.6,0.92,6.22,5.07,2.9,1.39,5.35,4.1,2.38,0.91,5.81,4.89,3.12,--,5.7,--,4.67,3.11, 固定资产周转率(次),--,1.59,--,0.68,--,1.57,--,0.65,--,2.04,--,1.14,--,2.38,--,0.99,--,1.83,--,0.85,--,1.73,--,0.82,--,1.28,--,0.6,--,1.57,--,0.76,--,1.78,--,0.9,--,1.94,--,0.97,--,1.46,--,0.56,--,--,--,--,--,--,--,--,0.73, 总资产周转率(次),0.09,0.5,0.35,0.2,0.09,0.43,0.3,0.17,0.07,0.5,0.42,0.27,0.13,0.52,0.36,0.21,0.1,0.48,0.35,0.29,0.13,0.64,0.49,0.31,0.13,0.51,0.38,0.24,0.1,0.53,0.38,0.22,0.09,0.54,0.51,0.31,0.15,0.65,0.47,0.29,0.12,0.42,0.3,0.17,0.06,0.59,--,0.43,--,--,--,--,0.73, 存货周转天数(天),83.63,57.06,60.18,65.57,63.93,58.82,67.19,81.43,88.43,52.81,57.02,54.39,49.94,58.33,64.48,74.8,71.45,78.75,87.59,88.32,102.25,83.93,87.53,95.2,99.65,103.23,101.74,105.96,124.9,112.69,108.86,115.14,148.61,105.81,104.21,112.18,98.33,57.9,53.22,62.08,64.9,67.32,65.85,75.65,98.57,61.92,55.19,57.64,--,63.15,--,77.11,115.92, 总资产周转天数(天),974.03,724.05,771.65,903.61,1040.46,838.18,887.28,1045.9,1250,717.99,636.64,666.91,677.2,695.25,741.76,839.16,872.09,744.11,781.48,630.69,708.66,560.92,546.23,582.15,673.65,699.44,709.59,750.63,868.73,682.08,711.46,808.63,1026.23,669.02,532.75,582.15,596.82,550.37,569.86,610.58,721.15,847.46,898.8,1035.67,1417.32,613.29,--,418.7,--,--,--,--,492.21, 流动资产周转率(次),0.21,1.1,0.77,0.44,0.19,0.87,0.62,0.34,0.14,1,0.94,0.59,0.29,1.01,0.71,0.41,0.2,1.03,0.69,0.77,0.36,1.54,1.04,0.64,0.26,0.98,0.7,0.44,0.19,0.86,0.61,0.34,0.13,0.82,0.83,0.48,0.24,1.01,0.73,0.43,0.18,0.61,0.44,0.26,0.09,1,0.7,1.09,--,2.1,--,1.67,179.31, 流动资产周转天数(天),424.33,326.92,350.74,413.13,484.13,412.37,439.02,522.19,623.7,360.11,287.63,303.18,314.91,355.45,381.95,438.81,459.65,349.45,391.42,235.05,252.88,233.8,259.79,281.29,350.19,368.66,385.05,413.22,481.54,419.58,443.2,525.24,705.88,440.69,326.92,371.82,377.04,355.13,372.16,416.67,511.07,588.52,612.52,696.06,977.2,360.14,385.88,164.91,--,171.23,--,215.79,2.01, 经营现金净流量对销售收入比率(%),0.18,0.19,0.14,0.16,0.11,0.19,0.08,0.06,0.17,0.17,0.22,0.24,0.23,0.2,0.15,0.14,0.07,0.18,0.13,0.14,0.05,0.15,0.06,0.06,0.01,0.15,0.06,0.1,0.12,0.3,0.27,0.16,0.03,0.32,0.21,0.22,0.27,0.24,0.27,0.24,0.25,0.29,0.28,0.26,0.57,0.25,0.24,0.24,--,0.19,0.08,0.23,0.52, 资产的经营现金流量回报率(%),0.02,0.09,0.05,0.03,0.01,0.08,0.02,0.01,0.01,0.07,0.09,0.06,0.03,0.1,0.05,0.03,0.01,0.07,0.04,0.04,0.01,0.08,0.02,0.02,0,0.07,0.02,0.02,0.01,0.15,0.1,0.03,0,0.13,0.09,0.06,0.04,0.14,0.12,0.07,0.03,0.12,0.08,0.05,0.04,0.11,0.08,0.1,--,0.15,--,0.15,0.38, 经营现金净流量与净利润的比率(%),1.32,1.16,0.78,1.16,0.91,0.94,0.3,0.2,1.02,0.99,1.23,1.47,1.57,1.28,0.98,0.87,0.52,1.39,0.91,0.87,0.34,0.96,0.3,0.31,0.04,0.8,0.31,0.5,0.65,1.17,1.09,0.84,0.26,1.11,0.68,0.7,0.82,0.86,0.94,0.79,0.76,0.97,0.91,1.02,2.29,0.96,0.92,0.96,--,0.73,0.36,1.02,2.05, 经营现金净流量对负债比率(%),0.12,0.37,0.16,0.11,0.03,0.27,0.07,0.03,0.04,0.22,0.56,0.43,0.23,0.7,0.54,0.34,0.1,0.57,0.35,0.14,0.03,0.41,0.19,0.14,0.01,0.89,0.28,0.33,0.17,1.5,0.91,0.33,0.04,1.63,0.92,0.48,0.33,1.09,1.05,0.58,0.36,1.37,1.12,0.58,0.53,1.17,0.43,0.25,--,0.29,--,0.26,0.68, 现金流量比率(%),12.77,72.14,39.53,30.08,11.33,76.4,19.36,9.02,12.25,59.45,60.4,47.25,25.89,77.84,63.48,41.88,12.39,66.52,43.11,19.68,4.64,66.91,21.24,16.13,1.34,108.5,31.66,38.52,19.85,167.82,101.46,38.05,4.56,196.17,112.37,56.74,41.43,127.77,125.31,71.02,48.29,165.4,140.44,73.3,70.36,124.65,44.13,25.7,--,29.28,--,26,83.49,