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),1.74,8.97,6.92,4.86,2.51,10.86,7.89,5.88,3.08,10.53,7.31,4.59,2.46,7.91,5.16,3.03,1.36,6.76,4.43,2.66,1.67,8.47,6.15,3.88,2.31,7.76,4.63,3.34,1.63,9.5,6.96,4.76,2.31,9.5,7.28,4.73,2.27,14.79,--,8.89,--,18.96,16.05,7.52, 应收账款周转天数(天),51.69,40.12,38.99,37.02,35.87,33.16,34.22,30.62,29.18,34.19,36.93,39.25,36.64,45.49,52.28,59.38,66.4,53.22,60.89,67.73,53.96,42.52,43.9,46.37,39,46.42,58.29,53.93,55.3,37.91,38.77,37.82,38.92,37.91,37.08,38.08,39.71,24.34,--,20.25,--,18.99,22.43,47.86, 存货周转率(次),0.38,1.99,1.44,0.95,0.53,2.26,1.69,1.22,0.66,2.29,1.79,1.21,0.64,2.11,1.47,0.83,0.45,1.77,1.34,0.78,0.49,1.81,1.28,0.88,0.46,1.9,1.46,1.1,0.63,2.86,2.16,1.31,0.65,2.74,2.05,1.5,0.96,3.35,--,1.74,--,2.89,5.54,8.47, 固定资产周转率(次),--,3.08,--,1.53,--,2.78,--,1.48,--,2.09,--,0.93,--,1.48,--,0.58,--,1.14,--,0.47,--,1.11,--,0.58,--,1.29,--,0.67,--,1.88,--,1.04,--,2.42,--,1.86,--,4.51,--,2.43,--,3.63,--,1.16, 总资产周转率(次),0.12,0.62,0.48,0.32,0.17,0.59,0.43,0.3,0.16,0.46,0.33,0.21,0.1,0.38,0.25,0.16,0.09,0.33,0.24,0.14,0.07,0.24,0.18,0.12,0.06,0.2,0.14,0.1,0.05,0.23,0.18,0.12,0.06,0.33,0.27,0.2,0.11,1.5,--,0.82,--,1.36,1.4,1.16, 存货周转天数(天),234.31,180.79,187.62,188.94,169.27,159.31,160.14,147.18,137.22,157.42,150.47,149.07,141.51,170.51,184.22,216.37,201.34,203.97,202.11,230.21,182.96,198.87,210.46,204.38,194.05,189.19,185.19,164.34,143.13,125.99,125.08,137.54,138.16,131.36,131.55,120.2,93.68,107.46,--,103.32,--,124.73,64.96,42.53, 总资产周转天数(天),764.01,584.42,565.92,556.24,534.76,605.65,628.2,590.75,561.1,782.27,820.42,851.47,888.45,954.4,1082.6,1155.33,1057.58,1095.89,1128.29,1310.04,1365.71,1482.7,1508.38,1452.78,1515.15,1845.21,1946.65,1812.69,1707.78,1552.39,1465.8,1452.78,1610.02,1085.97,1015.8,881.49,811.54,240.42,--,219.49,--,264.12,257.11,311.63, 流动资产周转率(次),0.3,1.52,1.16,0.78,0.41,1.67,1.31,0.96,0.49,1.62,1.2,0.79,0.38,1.16,0.73,0.44,0.19,0.63,0.46,0.26,0.11,0.39,0.29,0.2,0.1,0.29,0.21,0.15,0.08,0.31,0.24,0.16,0.07,0.45,0.33,0.25,0.13,2.75,--,1.42,--,2.58,2.9,256.4, 流动资产周转天数(天),300.5,237.51,233.12,230.06,217.55,215.88,205.7,188.07,182.19,222.48,225.3,226.5,233.89,309.73,370.73,407.33,478.72,568.36,584.67,684.67,832.56,916.03,932.32,902.26,938.48,1223.24,1264.64,1232.88,1182.65,1144.31,1105.2,1104.97,1236.26,798.76,811.54,731.71,679.76,130.72,--,126.33,--,139.74,124.13,1.4, 经营现金净流量对销售收入比率(%),0.05,0.11,0.1,0.1,0.13,0.1,0.08,0.11,0.15,0.22,0.27,0.24,0.27,0.29,0.28,0.28,0.24,0.23,0.17,0.16,0.1,-0.07,-0.13,-0.28,-0.36,0.25,0.26,0.34,0.15,0.15,0.15,0.2,0.1,0.18,0.12,0.1,0.27,0.23,--,0.26,--,0.19,0.25,0.2, 资产的经营现金流量回报率(%),0.01,0.06,0.05,0.03,0.02,0.06,0.03,0.03,0.02,0.1,0.09,0.05,0.03,0.09,0.05,0.04,0.02,0.07,0.04,0.02,0.01,-0.02,-0.02,-0.03,-0.02,0.05,0.03,0.03,0.01,0.03,0.03,0.02,0.01,0.04,0.02,0.01,0.02,0.31,--,0.2,--,0.23,0.24,0.23, 经营现金净流量与净利润的比率(%),0.42,1.01,0.96,0.91,1.23,--,0.73,0.94,1.25,1.59,1.66,1.24,1.36,1.68,1.55,1.66,1.62,2.46,1.71,1.7,1.25,-0.68,-1.12,-1.96,-2.44,2.32,2.34,2.78,0.92,0.7,0.66,0.81,0.36,0.68,0.37,0.31,0.83,0.85,--,0.97,--,0.67,1.08,3.34, 经营现金净流量对负债比率(%),0.03,0.4,0.34,0.23,0.16,0.45,0.29,0.32,0.2,0.87,0.79,0.49,0.28,0.86,0.38,0.18,0.15,0.47,0.26,0.13,0.1,-0.25,-0.34,-0.38,-0.29,0.65,0.3,0.52,0.14,0.75,0.52,0.41,0.09,0.52,0.44,0.34,0.39,1.62,--,0.64,--,0.57,0.54,0.26, 现金流量比率(%),4.13,48.7,42.69,30.16,17.57,48.99,32.27,36.2,22.49,100.03,94.37,59.49,34.46,105.96,43.53,30.9,19.88,61.31,33.45,15.96,13.51,-31.77,-42.77,-45.11,-34.78,79.02,33.44,63.76,18.6,110.1,69.19,50.67,11.54,61.55,50.21,34.79,38.71,163.29,--,95.95,--,84.58,53.61,26.06,