报告日期,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2008-12-31,2007-12-31,2006-12-31, 应收账款周转率(次),171.06,137.98,82.15,23.28,223.81,270.45,121.02,49.56,86.54,66.91,32.62,8.87,31.14,22.66,12.13,4.24,16.83,12.86,6.86,2.22,10.57,8.64,5.06,1.68,7.98,6.29,3.51,1.11,6.53,4.86,2.71,0.91,6.66,5.11,2.93,1,7.77,5.95,3.24,1.21,8.36,6.31,3.42,1.63,10.21,7.05,--,14.82,18.2,15.31, 应收账款周转天数(天),2.1,1.96,2.19,3.87,1.61,1,1.49,1.82,4.16,4.04,5.52,10.14,11.56,11.92,14.84,21.21,21.39,21,26.23,40.59,34.06,31.25,35.56,53.64,45.13,42.95,51.33,81.44,55.13,55.56,66.5,98.4,54.05,52.87,61.37,90.4,46.33,45.38,55.54,74.69,43.05,42.79,52.65,55.27,35.25,38.32,--,24.29,19.78,23.51, 存货周转率(次),1.61,3.27,2.01,0.66,4.36,3.62,2.41,0.92,4.47,3.53,2.14,0.86,3.94,3.23,1.87,0.72,3.35,2.75,1.5,0.52,3.07,2.49,1.56,0.59,2.98,2.36,1.33,0.44,2.7,2.01,1.18,0.41,2.75,1.87,1.14,0.41,3.12,2.3,1.28,0.53,3.35,2.36,1.57,0.63,3.11,2.47,--,3.94,5.08,4.87, 固定资产周转率(次),1.4,--,0.65,--,1.32,--,0.65,--,1.2,--,0.59,--,1.07,--,0.51,--,0.95,--,0.44,--,1.08,--,0.63,--,1.27,--,0.57,--,1.16,--,0.49,--,1.21,--,0.54,--,1.31,--,0.53,--,1.13,--,1.01,0.38,1.1,1.83,--,1.38,3.27,0.98, 总资产周转率(次),0.34,0.28,0.16,0.05,0.35,0.29,0.17,0.06,0.34,0.28,0.18,0.06,0.42,0.34,0.21,0.08,0.54,0.45,0.26,0.09,0.55,0.45,0.28,0.1,0.59,0.47,0.28,0.09,0.59,0.44,0.25,0.09,0.62,0.45,0.26,0.09,0.65,0.48,0.26,0.1,0.6,0.44,0.28,0.11,0.59,0.45,--,0.67,0.91,0.98, 存货周转天数(天),223.13,82.56,89.35,136.05,82.63,74.57,74.74,97.75,80.48,76.43,83.93,104.3,91.29,83.59,96.41,125.19,107.38,98.08,120.19,171.76,117.18,108.29,115.7,153.06,120.97,114.54,135.18,202.93,133.35,134.29,152.67,217.13,130.77,144.59,157.27,220.37,115.39,117.37,140.63,169.33,107.44,114.62,114.65,142.79,115.72,109.14,--,91.43,70.83,73.91, 总资产周转天数(天),1060.07,974.73,1121.5,1939.66,1027.1,942.74,1036.87,1446.95,1047.12,969.13,1020.99,1419.56,856.94,786.48,867.89,1165.8,665.56,594.32,700.12,978.26,653.59,602.01,654.31,866.22,614.44,569.74,646.55,950.37,615.17,613.78,732.3,1018.1,579.34,597.21,704.5,1002.23,550.88,567.47,682.34,913.71,596.22,620.4,632.02,822.67,606.47,598.27,--,534.52,395.91,368.85, 流动资产周转率(次),0.59,0.53,0.31,0.09,0.61,0.5,0.27,0.1,0.55,0.44,0.29,0.1,0.84,0.68,0.42,0.16,1.9,1.73,1.07,0.4,1.98,1.56,0.95,0.37,1.92,1.44,0.89,0.32,1.91,1.42,0.77,0.29,1.97,1.41,0.77,0.27,1.97,1.33,0.74,0.29,2,1.39,1.01,0.41,2.31,1.68,--,2.3,2.51,238.4, 流动资产周转天数(天),613.92,508.57,575.26,950.37,586.8,539.46,671.39,929.75,660.19,613.22,626.74,868.73,429.8,397.29,427.55,555.21,189.23,155.8,168.27,226.93,181.53,172.83,189.61,243.18,187.24,187.1,202.68,281.07,188.26,190.56,233.25,313.59,182.35,191.48,233.1,331.13,183.14,203.64,242.1,314.47,179.84,194.08,178.25,218.34,155.92,160.48,--,156.5,143.32,1.51, 经营现金净流量对销售收入比率(%),0.16,0.28,0.29,-0.18,0.18,0.25,0.22,-0.07,0.11,0.22,0.18,-0.13,0.13,0.23,0.1,-0.21,0.29,0.18,0.07,-0.38,0.21,0.25,0.23,0,0.33,0.4,0.26,-0.11,0.36,0.12,0.12,0.09,0.14,0.13,0.12,-0.04,0.05,0.09,0.12,-0.03,0.08,0.08,0.08,0.05,0.15,0.16,0.16,0.08,0.11,0.06, 资产的经营现金流量回报率(%),0.05,0.07,0.05,-0.01,0.06,0.07,0.04,-0,0.04,0.06,0.03,-0.01,0.04,0.06,0.02,-0.01,0.15,0.09,0.02,-0.04,0.11,0.11,0.06,0,0.19,0.18,0.07,-0.01,0.21,0.05,0.03,0.01,0.09,0.06,0.03,-0,0.04,0.04,0.03,-0,0.05,0.03,0.02,0.01,0.09,0.07,--,0.05,0.09,0.06, 经营现金净流量与净利润的比率(%),1.18,1.94,2.36,-4.71,1.48,1.86,2.13,-1.57,1.13,2.2,2.22,-4.56,2.5,3.9,2.05,-10.08,8.03,4.57,1.71,-18.92,7.42,8.04,8.2,0.02,16.74,17.32,12.94,-8.95,26.25,6.26,5.99,7.21,9.31,4.81,3.93,-4.11,3.92,2.67,3,-2.24,2.69,1.96,1.9,3.47,4.78,4.79,5.24,4.25,1.8,1.24, 经营现金净流量对负债比率(%),0.17,0.23,0.14,-0.03,0.22,0.24,0.12,-0.01,0.11,0.17,0.11,-0.03,0.15,0.2,0.06,-0.05,0.34,0.19,0.04,-0.08,0.24,0.23,0.13,0,0.4,0.38,0.17,-0.03,0.5,0.13,0.07,0.02,0.21,0.13,0.06,-0.01,0.09,0.1,0.07,-0.01,0.11,0.08,0.05,0.01,0.23,0.17,--,0.13,0.2,0.12, 现金流量比率(%),28.14,35.52,18.26,-4.92,33.61,34.32,17.27,-2.07,15.65,23.63,16.68,-4.42,23.41,31.2,9.25,-9.06,55.92,30.18,7.08,-16.42,46.05,39.42,27.03,0.02,77.88,74.37,28.05,-5.03,110.45,14.55,7.34,2.1,23.62,14.46,7.29,-0.98,8.78,10.18,7.35,-0.78,11.19,7.63,4.79,1.36,23.09,17.45,--,12.71,22.65,15.43,