报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2008-12-31,2007-12-31, 应收账款周转率(次),2.01,7.2,4.35,2.74,1.04,6.41,4.34,2.78,1.25,5.46,3.66,1.74,0.78,4.31,3.28,1.9,0.67,3.66,2.71,1.72,0.79,3.93,3.02,2.19,0.99,4.41,3.34,2.23,0.8,4.85,3.19,2.16,0.96,4.96,3.79,2.56,1.28,5.13,3.45,2.64,1.15,6.12,5.6,3.66,--,5.31,--,--,5.47,4.65, 应收账款周转天数(天),44.86,50.01,62.13,65.68,86.63,56.12,62.16,64.76,72.01,65.99,73.75,103.59,114.68,83.54,82.33,94.6,135.18,98.39,99.48,104.65,114.47,91.54,89.54,82.32,90.73,81.6,80.93,80.86,112.23,74.3,84.69,83.18,94.23,72.56,71.27,70.35,70.29,70.16,78.34,68.21,78.04,58.82,48.18,49.2,--,67.83,--,--,65.76,77.48, 存货周转率(次),2.74,14.28,13.93,8.28,3.1,18.92,10.75,6.94,3.13,11.1,7.19,2.76,1.06,6.91,5.1,3.07,1.02,4.84,3,1.78,0.81,3.78,2.85,2.05,0.93,4.03,2.99,2.01,0.75,5.63,3.62,2.67,1.14,6.23,4.53,3.53,1.75,6.7,4.43,3.2,1.47,7.85,6.15,4.37,--,7.8,--,--,11.49,9.26, 固定资产周转率(次),--,5.21,--,2.25,--,5.73,--,2.89,--,3.89,--,1.12,--,2.3,--,1.02,--,1.76,--,0.75,--,1.63,--,0.93,--,1.85,--,0.95,--,2.37,--,1.22,--,2.8,--,1.58,--,3.29,--,1.91,--,3.8,--,3.91,--,3.05,--,--,6.62,1.12, 总资产周转率(次),0.27,1.16,0.99,0.57,0.2,1.18,0.71,0.45,0.21,0.85,0.58,0.28,0.11,0.72,0.56,0.34,0.12,0.62,0.41,0.25,0.12,0.54,0.39,0.28,0.13,0.55,0.42,0.27,0.1,0.73,0.49,0.32,0.17,0.85,0.63,0.44,0.22,0.82,0.64,0.45,0.2,0.91,0.62,0.51,--,0.84,--,--,1.14,1.12, 存货周转天数(天),32.8,25.21,19.38,21.74,29.04,19.03,25.12,25.94,28.77,32.44,37.56,65.19,85.1,52.1,52.95,58.72,88.61,74.43,90.11,100.85,110.84,95.33,94.69,87.64,97.27,89.24,90.31,89.65,120.08,63.97,74.57,67.4,78.86,57.81,59.55,51.01,51.52,53.75,60.92,56.19,61.13,45.86,43.93,41.18,--,46.18,--,--,31.32,38.87, 总资产周转天数(天),333.7,309.25,273.72,315.35,444.66,305.97,379.69,402.05,438.38,423.33,466,646.32,819.67,499.79,485.44,526.16,756.3,578.96,658.86,710.06,757.58,662.86,684.58,650.05,699.84,652.17,640.27,663.72,866.22,491.13,546.23,569.26,519.03,422.54,427.76,408.44,415.9,437.58,425.06,402.96,450.9,395.34,435.69,350.67,--,426.34,--,--,315.04,320.71, 流动资产周转率(次),0.65,2.21,1.41,0.8,0.28,2.05,1.44,0.89,0.41,1.94,1.21,0.64,0.27,1.72,1.18,0.75,0.26,1.46,0.98,0.61,0.29,1.24,0.84,0.58,0.26,1.1,0.83,0.52,0.2,1.48,0.95,0.58,0.38,1.78,1.24,0.88,0.41,1.41,0.98,0.68,0.3,1.47,0.99,0.98,--,1.58,--,--,2.25,245.45, 流动资产周转天数(天),138.44,162.79,190.99,223.71,325.38,175.78,187.87,201.14,219.46,186.04,222.59,280.37,336.95,209.47,227.94,239.74,344.17,246.25,276.55,297.32,311.31,290.18,319.64,310.51,346.55,328.23,326.88,343.45,457.55,243.37,285.02,310.83,239.04,202.5,217.67,204.66,219.73,255.36,276.38,264.9,303.44,244.4,271.55,183.17,--,227.65,--,--,160.26,1.47, 经营现金净流量对销售收入比率(%),-0.02,0.07,0.11,0.18,0.02,0.09,0.09,0.09,-0.03,0.1,0.09,0.05,0.36,0.13,0.08,-0.02,0.21,-0.1,0.12,0.19,-0.18,0.11,0.16,0.19,-0.08,0.02,0.1,0.25,0.23,0.03,0.03,0.18,0.03,0.04,-0.01,0.06,-0.01,-0.03,-0.07,-0.23,-0.15,-0.02,0.06,0.03,--,0.17,0.14,0.19,0.03,0.22, 资产的经营现金流量回报率(%),-0.01,0.07,0.11,0.1,0,0.13,0.06,0.04,-0.01,0.08,0.05,0.01,0.04,0.09,0.04,-0.01,0.02,-0.07,0.04,0.05,-0.02,0.06,0.06,0.05,-0.01,0.01,0.04,0.07,0.02,0.02,0.01,0.05,0.01,0.03,-0.01,0.03,-0,-0.02,-0.04,-0.1,-0.03,-0.02,0.03,0.02,--,0.13,--,--,0.03,0.25, 经营现金净流量与净利润的比率(%),-1.12,4.02,6.84,9.43,--,--,5.02,5.16,-1.57,6.59,5.04,2.21,18.23,13.91,30.62,-7.62,--,--,10.53,10.65,-8.24,4.27,4.95,3.78,-2.06,0.59,1.85,4.17,3.3,0.72,0.61,3.17,0.54,0.52,-0.13,0.81,-0.11,-0.29,-0.84,-2.35,-1.54,-0.29,0.72,0.36,--,1.57,1.24,1.72,0.43,2.96, 经营现金净流量对负债比率(%),-0.01,0.16,0.19,0.16,0.01,0.22,0.09,0.06,-0.01,0.13,0.07,0.02,0.07,0.15,0.08,-0.01,0.05,-0.13,0.11,0.12,-0.06,0.18,0.14,0.12,-0.03,0.03,0.12,0.2,0.07,0.06,0.04,0.13,0.01,0.08,-0.01,0.07,-0.01,-0.06,-0.14,-0.55,-0.13,-0.07,0.11,0.03,--,0.23,--,--,0.05,0.45, 现金流量比率(%),-1.46,19.39,27.99,20.39,0.65,25.91,11.29,7.47,-0.87,15.1,7.93,2.2,6.77,15.26,8.12,-1.13,4.86,-13.45,11.17,11.69,-6.02,17.92,14.52,12.37,-2.68,2.91,11.77,20.05,6.79,5.83,3.95,13.3,1.4,8.34,-1.55,7.45,-0.55,-6.36,-14.46,-54.68,-13.13,-7.31,14.16,3.99,--,32.6,--,--,8.13,47.45,