报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2008-12-31,2007-12-31, 应收账款周转率(次),2.33,11.77,8.83,5.48,3.04,13.41,10.87,7.24,3.56,10.65,7.61,4.84,2.39,9.96,8.07,4.69,2.25,8.78,6.5,4.32,2.18,9.52,6.97,4.57,2.05,8.97,6.6,4.67,2.14,8.29,6.54,4.58,2.09,9.36,7.14,4.9,2.3,10.29,8.39,5.61,--,12.37,--,15.04,12.08, 应收账款周转天数(天),38.66,30.59,30.56,32.83,29.59,26.85,24.84,24.85,25.27,33.81,35.49,37.18,37.73,36.15,33.47,38.37,39.95,41.01,41.52,41.68,41.24,37.83,38.75,39.36,43.91,40.12,40.91,38.53,42.08,43.45,41.26,39.33,43,38.48,37.83,36.75,39.07,34.97,32.17,32.07,--,29.09,--,23.93,29.8, 存货周转率(次),0.36,1.94,1.38,0.88,0.46,1.97,1.53,0.91,0.43,1.68,1.27,1.65,0.81,2.74,1.94,1.35,0.63,2.41,1.94,1.23,0.6,3.19,2.51,1.6,0.75,3.57,2.57,1.75,0.82,3.41,2.62,1.62,0.84,3.71,2.68,1.46,0.87,4.15,3.2,2.15,--,4.06,--,5.45,5.66, 固定资产周转率(次),--,0.92,--,0.45,--,0.82,--,0.38,--,0.65,--,0.47,--,0.79,--,0.37,--,0.68,--,0.32,--,0.9,--,0.49,--,1.64,--,1.54,--,3.06,--,1.43,--,2.98,--,1.43,--,2.56,3.51,1.13,--,4.13,--,--,1.49, 总资产周转率(次),0.08,0.39,0.28,0.18,0.09,0.35,0.27,0.16,0.08,0.25,0.19,0.13,0.06,0.28,0.2,0.14,0.07,0.27,0.2,0.13,0.06,0.36,0.27,0.17,0.08,0.39,0.28,0.18,0.08,0.36,0.27,0.17,0.09,0.39,0.29,0.2,0.1,0.53,0.76,0.5,--,0.98,--,--,1.49, 存货周转天数(天),247.39,186.05,195.51,204.71,196.64,183.21,176.32,198.9,210.04,214.66,213.12,108.85,110.92,131.24,139.03,132.92,142.16,149.2,139.53,145.89,150.33,112.75,107.52,112.67,119.97,100.84,105.2,102.78,109.64,105.6,103.08,111.08,106.85,96.96,100.58,123.19,103.19,86.77,84.48,83.74,--,88.6,--,66.02,63.6, 总资产周转天数(天),1152.37,925.93,949.37,993.93,1005.59,1037.17,1004.46,1095.56,1174.93,1422.92,1388.89,1334.32,1424.05,1308.14,1350.68,1325.48,1337.3,1329.39,1328.09,1437.7,1412.87,1011.24,990.83,1061.95,1188.9,931.68,963.25,990.1,1081.73,1014.08,1016.95,1034.48,1019.25,916.26,920.56,921.66,945.38,676.06,357.14,356.65,--,368.21,--,--,240.87, 流动资产周转率(次),0.17,0.86,0.64,0.42,0.21,0.79,0.63,0.38,0.17,0.64,0.51,0.37,0.16,0.7,0.47,0.3,0.15,0.57,0.41,0.25,0.13,0.83,0.65,0.39,0.18,0.9,0.6,0.38,0.17,0.58,0.39,0.25,0.12,0.51,0.36,0.24,0.12,0.71,1.56,1.08,--,2.04,--,3.66,338, 流动资产周转天数(天),542.5,418.8,420.17,432.59,430.62,452.94,427.69,478.85,521.74,564.88,527.86,493.15,561.45,516.28,574.96,591.72,583.66,632.58,664.21,733.8,698.76,435.15,415.7,464.64,511.95,401.52,448.88,472.44,537.31,619.94,691.95,719.42,743.19,707.55,744.21,753.77,773.86,506.4,172.67,167.24,--,176.6,--,98.44,1.07, 经营现金净流量对销售收入比率(%),-0.12,0.14,0.15,0.15,0.02,0.05,0.07,0.06,0.01,-0.31,-0.37,0.02,0.07,0.28,0.3,0.28,0.01,0.24,0.2,0.07,0.04,0.16,0.1,0.13,0.11,0.16,0.17,0.22,0.22,0.34,0.24,0.26,0.12,0.28,0.25,0.13,0.27,0.13,0.14,0.09,--,0.31,0.36,-0.03,0.33, 资产的经营现金流量回报率(%),-0.01,0.05,0.04,0.03,0,0.02,0.02,0.01,0,-0.07,-0.06,0,0,0.07,0.06,0.04,0,0.06,0.04,0.01,0,0.05,0.02,0.02,0.01,0.06,0.05,0.04,0.02,0.12,0.06,0.05,0.01,0.1,0.07,0.02,0.03,0.05,0.11,0.05,--,0.26,--,-0.05,0.49, 经营现金净流量与净利润的比率(%),-4.65,--,6.04,5,--,--,43.84,3.17,0.4,-7.94,-3.4,0.21,0.74,1.58,1.66,1.54,0.09,1.78,1.88,0.74,0.78,1.42,1.03,1.36,1.39,1.11,1.18,1.44,1.34,1.52,1.05,1.17,0.53,1.24,1.03,0.52,1.16,0.69,0.81,0.63,--,2.09,2.5,-0.44,8.19, 经营现金净流量对负债比率(%),-0.02,0.13,0.11,0.07,0,0.05,0.07,0.03,0,-0.24,-0.23,0.01,0.02,0.3,0.27,0.17,0.01,0.26,0.16,0.03,0.01,0.22,0.14,0.09,0.05,0.35,0.23,0.19,0.11,0.81,0.66,0.33,0.09,0.8,0.78,0.27,0.34,0.47,0.28,0.12,--,0.45,--,-0.08,0.74, 现金流量比率(%),-2.82,16.59,15.51,11.09,0.62,7.89,12.11,5.57,0.66,-35.07,-34.27,2.23,3.19,46.07,38.51,17.59,0.52,26.72,15.98,3.05,0.98,23.17,15.05,9.56,5.21,37.1,23.99,20.09,12.44,88.76,66.62,33.38,9.17,80.14,78.44,27.42,34.69,46.86,34.33,14.89,--,45.29,--,-7.74,73.68,