报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),4.91,84.27,57.29,32.68,13.33,65.58,56.63,34.13,14,76.9,107.53,43.1,--,110.66,--,80.29,86.53,101.57, 应收账款周转天数(天),18.34,4.27,4.71,5.51,6.75,5.49,4.77,5.27,6.43,4.68,2.51,4.18,--,3.25,--,4.48,4.16,3.54, 存货周转率(次),5.12,29.01,18.18,12.34,6.32,27.47,15.21,10.41,5.55,23.23,14.81,9.52,--,19.05,--,17.5,18.82,16.22, 固定资产周转率(次),--,0.78,--,0.33,--,0.7,--,0.31,--,0.6,--,0.27,--,0.52,--,0.51,--,0.31, 总资产周转率(次),0.02,0.43,0.33,0.2,0.08,0.44,0.33,0.2,0.08,0.45,0.31,0.22,--,0.43,--,0.41,0.39,0.31, 存货周转天数(天),17.59,12.41,14.85,14.59,14.24,13.11,17.76,17.29,16.22,15.49,18.23,18.91,--,18.9,--,20.57,19.12,22.2, 总资产周转天数(天),5769.23,845.27,811.3,916.5,1136.36,820.98,814.23,896.86,1098.9,808.81,877.19,814.85,--,833.72,--,876.34,930.71,1179.17, 流动资产周转率(次),0.05,1.66,1.21,0.8,0.31,1.83,1.41,0.92,0.38,3.24,1.5,3.59,--,11.38,--,7.42,3.79,232.05, 流动资产周转天数(天),1825.56,217.51,223.7,226.22,289.2,197.03,191.88,196.04,239.49,111.02,180.25,50.16,--,31.62,--,48.54,95.08,1.55, 经营现金净流量对销售收入比率(%),-1.19,0.45,0.49,0.37,0.28,0.46,0.53,0.46,0.29,0.46,0.55,0.51,0.44,0.5,0.59,0.44,0.43,0.44, 资产的经营现金流量回报率(%),-0.02,0.18,0.16,0.07,0.02,0.2,0.18,0.09,0.02,0.19,0.15,0.11,--,0.22,--,0.19,0.17,0.13, 经营现金净流量与净利润的比率(%),--,1.59,1.43,1.28,1.59,1.91,1.78,1.77,1.43,2.18,2.15,2.1,2.65,2.61,2.6,2.94,2.77,3.81, 经营现金净流量对负债比率(%),-0.06,0.92,0.86,0.41,0.1,0.99,0.88,0.42,0.1,0.74,0.38,0.2,--,0.35,--,0.27,0.22,0.18, 现金流量比率(%),-11.64,94.14,87.92,42.02,12.78,139.59,161.43,74.56,19.61,137.65,112.27,52.14,--,109.35,--,111.59,75.23,64.77,