报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2008-12-31,2007-12-31, 应收账款周转率(次),1.85,8.17,5.55,4.02,2.23,9.77,8.46,4.94,2.53,8.77,6.53,4.29,2.14,7.94,6.18,4.08,2.29,7.91,6.19,3.41,1.86,6.55,4.27,2.54,1.31,6.42,5.32,3.87,1.94,9.37,8.19,5.06,2.43,11.85,7.5,4.88,2.65,11.11,--,4.21,--,9.54,9.18,8.64, 应收账款周转天数(天),48.77,44.08,48.64,44.72,40.42,36.84,31.93,36.44,35.61,41.04,41.35,41.93,42.05,45.34,43.7,44.08,39.3,45.5,43.6,52.81,48.44,55,63.28,70.94,68.77,56.09,50.72,46.53,46.45,38.44,32.96,35.59,37.07,30.38,36,36.9,34.02,32.41,--,42.8,--,37.73,39.2,41.67, 存货周转率(次),0.68,3.28,2.39,1.71,0.89,3.31,2.6,1.84,0.89,3.37,2.46,1.73,0.82,3.28,2.34,1.7,0.73,3.18,2.38,1.63,0.85,3.53,2.59,1.77,0.88,3.44,2.48,1.66,0.83,2.85,2.01,1.43,0.69,2.64,2.04,1.41,0.69,3.2,--,2.17,--,4.29,4.51,3.9, 固定资产周转率(次),--,5.42,--,2.5,--,5.2,--,2.66,--,4.91,--,2.44,--,4.5,--,2.12,--,3.86,--,1.82,--,4.04,--,2.29,--,4.44,--,2.03,--,4.3,--,2.34,--,6.13,--,5.86,--,10.21,--,5.27,--,7.44,6.68,1.19, 总资产周转率(次),0.15,0.77,0.55,0.37,0.19,0.74,0.56,0.38,0.18,0.72,0.52,0.36,0.17,0.76,0.54,0.45,0.2,0.75,0.53,0.36,0.17,0.67,0.48,0.31,0.15,0.63,0.46,0.31,0.16,0.57,0.41,0.28,0.14,0.69,0.53,0.36,0.18,1.2,--,0.64,--,1.09,1.16,1.19, 存货周转天数(天),132.1,109.71,112.77,105.43,101.67,108.78,103.67,97.69,100.57,106.72,109.54,104.27,109.54,109.7,115.38,105.63,123.34,113.33,113.4,110.15,106.16,102.12,104.37,101.95,102.7,104.75,108.73,108.66,107.81,126.27,134.34,125.59,129.68,136.57,132.45,127.99,130.08,112.52,--,82.87,--,83.92,79.89,92.38, 总资产周转天数(天),609.76,466.93,495.32,485.57,467.05,486.22,486.49,478.6,498.62,500.35,515.27,502.93,516.06,472.07,499.72,398.14,450.9,479.11,508.67,506.19,514.87,536.19,567.47,571.79,602.41,570.43,592.5,576.55,572.88,631.69,658.06,641.25,666.67,520.31,513.8,501.67,491.8,301.13,--,279.46,--,329.31,309.57,302.88, 流动资产周转率(次),0.2,1.02,0.71,0.49,0.25,0.95,0.72,0.48,0.23,0.91,0.65,0.44,0.22,0.99,0.71,0.64,0.28,1.04,0.74,0.49,0.24,0.95,0.66,0.47,0.22,0.87,0.63,0.43,0.2,0.7,0.49,0.33,0.16,0.83,0.62,0.43,0.21,1.54,--,0.81,--,1.39,1.53,157.76, 流动资产周转天数(天),447.76,353.57,378.47,370.29,361.45,378.55,376.2,373.06,389.95,396.04,413.16,404.95,416.47,363.78,381.57,283.38,324.21,346.02,366.1,364.74,371.44,379.99,407.12,384.12,414.36,414.65,428.03,418.31,443.79,515.83,555.1,544.96,569.26,433.63,432.35,422.63,422.73,233.77,--,221.73,--,258.71,235.71,2.28, 经营现金净流量对销售收入比率(%),0.44,0.18,0.14,0.06,0.11,0.13,0.17,0.12,0.01,0.21,0.22,0.22,0.15,0.1,0.1,0.12,0.17,0.08,0.09,0.02,-0.06,0.19,0.14,0.11,0.11,0.14,0.17,0.16,0.11,0.02,0.01,-0.1,-0.07,0.14,0.12,0.06,0.05,0.09,--,0.05,--,0.23,0.19,0.1, 资产的经营现金流量回报率(%),0.07,0.13,0.07,0.02,0.02,0.09,0.09,0.04,0,0.14,0.11,0.08,0.02,0.06,0.05,0.06,0.03,0.06,0.05,0.01,-0.01,0.12,0.06,0.04,0.02,0.08,0.07,0.05,0.02,0.01,0,-0.03,-0.01,0.07,0.04,0.02,0.01,0.09,--,0.03,--,0.21,0.21,0.11, 经营现金净流量与净利润的比率(%),3.46,1.37,1.07,0.46,0.93,1.12,1.42,0.94,0.1,1.86,2.04,1.98,1.42,0.97,1,1.12,1.54,0.68,0.76,0.21,-0.52,1.42,1.06,0.87,0.89,1.02,1.43,1.25,0.89,0.15,0.06,-0.77,-0.5,0.92,0.88,0.5,0.33,0.59,--,0.32,--,1.57,1.27,0.7, 经营现金净流量对负债比率(%),0.16,0.29,0.18,0.05,0.05,0.24,0.23,0.11,0.01,0.36,0.3,0.22,0.08,0.21,0.17,0.14,0.09,0.15,0.12,0.02,-0.03,0.33,0.18,0.11,0.05,0.23,0.23,0.16,0.08,0.06,0.01,-0.13,-0.04,0.3,0.18,0.07,0.03,0.18,--,0.06,--,0.41,0.58,0.23, 现金流量比率(%),17.5,31.58,19.37,5.68,5.62,25.31,24.08,12.09,0.58,37.45,30.48,22.76,7.92,21.74,17.98,14.92,9.17,16.15,12.79,2.22,-2.84,35.06,19.3,10.85,4.98,24.04,23.58,16.9,8.23,6.14,1.54,-14.65,-4.72,34.16,20.64,8.65,3.04,20.01,--,6.52,--,43.87,62.77,23.84,