报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),0.8,3.18,2.29,1.5,0.69,3.27,2.09,1.44,0.72,3.14,1.99,1.35,0.64,2.96,2.04,1.26,0.62,3.46,3.21,1.99,0.94,4.97,--,--,4.74,3.93,2.1, 应收账款周转天数(天),113.16,113.03,117.88,120.39,131.31,110,129.14,125.43,125.59,114.74,135.7,133.76,141.04,121.69,132.67,143.16,144.6,104.15,84.13,90.67,95.77,72.5,--,--,75.91,91.69,171.36, 存货周转率(次),1.12,42.19,24.9,16.32,11.73,72.47,53.81,39.22,19.48,58.76,18.38,11.26,6.39,40.11,16.58,18.56,12.16,55.64,14.12,18.46,12.97,65.91,--,--,140.82,165.5,--, 固定资产周转率(次),--,23.15,--,9.75,--,19.73,--,7.85,--,15.65,--,6.43,--,14.71,--,8.47,--,15.71,10.96,7.22,3.57,13.23,--,--,--,--,0.72, 总资产周转率(次),0.14,0.67,0.47,0.29,0.13,0.56,0.35,0.23,0.11,0.51,0.31,0.21,0.1,0.55,0.38,0.24,0.13,0.76,0.83,0.59,0.3,1.26,--,--,1.31,--,0.72, 存货周转天数(天),80.44,8.53,10.84,11.03,7.67,4.97,5.02,4.59,4.62,6.13,14.69,15.98,14.09,8.98,16.28,9.7,7.4,6.47,19.13,9.75,6.94,5.46,--,--,2.56,2.18,--, 总资产周转天数(天),628.93,535.32,573.49,611.21,685.45,646.67,761.21,769.89,800,706.85,865.11,867.47,897.31,658.74,703.31,736.2,694.98,472.94,327.15,303.13,297.23,286.12,--,--,275.33,--,499.24, 流动资产周转率(次),0.25,1.22,0.84,0.55,0.24,0.89,0.57,0.38,0.18,0.7,0.45,0.3,0.14,0.68,0.47,0.3,0.15,0.92,1.03,0.74,0.38,1.52,--,--,1.55,1.58,77.63, 流动资产周转天数(天),365.71,294.36,323.35,329.07,377.2,402.32,471.62,472.44,499.17,515.17,600.27,600.4,636.94,532.15,570.46,603.02,583.28,392.67,263.29,244.13,238.22,237.29,--,--,231.68,227.99,4.64, 经营现金净流量对销售收入比率(%),0.14,0.08,-0.01,-0.04,0.07,0.17,0.07,0.13,0.13,0.16,0.11,0.08,-0.04,0.09,0.06,0.14,0.02,0.05,0.14,0.16,-0.15,0.16,0.02,-0.13,0.36,0.17,-0.12, 资产的经营现金流量回报率(%),0.02,0.05,-0.01,-0.01,0.01,0.1,0.03,0.03,0.02,0.07,0.03,0.01,-0,0.04,0.02,0.03,0,0.03,0.1,0.09,-0.05,0.17,--,--,0.41,0.2,-0.09, 经营现金净流量与净利润的比率(%),0.91,0.6,-0.1,-0.32,0.5,1.52,0.65,1.27,1.01,2.38,1.08,0.68,-0.35,0.62,0.32,0.65,0.12,0.27,0.55,0.64,-0.53,0.62,0.06,-0.37,1.25,0.8,-1.98, 经营现金净流量对负债比率(%),0.04,0.17,-0.01,-0.04,0.03,0.24,0.07,0.09,0.04,0.13,0.06,0.03,-0.01,0.09,0.05,0.08,0.01,0.14,0.35,0.38,-0.2,0.87,--,--,2.8,1.04,-0.43, 现金流量比率(%),4.67,17.92,-1.59,-4.65,3.74,31.88,9.71,12.17,4.74,16.29,7.22,3.5,-0.81,9.61,6.27,9.11,1.57,16.24,38.46,43.83,-23.13,87.16,--,--,279.5,104.27,-42.96,