报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-03-31,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),0.38,2.11,1.53,1,0.45,2.04,1.58,1.03,--,2.04,--,0.47,1.88,2.03,1.79, 应收账款周转天数(天),236.47,170.99,176.57,180.09,198.19,176.77,171.4,174.84,--,176.64,--,190.6,191.52,177.47,201.56, 存货周转率(次),1.18,7.19,4.16,2.73,1.44,6.03,3.66,2.76,--,5.43,--,1.58,6.07,8.24,7.01, 固定资产周转率(次),--,4.53,--,1.7,--,4.29,2.92,1.68,--,4.46,--,--,5.16,--,1.05, 总资产周转率(次),0.07,0.58,0.4,0.23,0.11,0.85,0.59,0.37,--,0.93,--,--,0.76,0.89,1.05, 存货周转天数(天),76.42,50.1,64.87,65.85,62.71,59.71,73.82,65.29,--,66.26,--,57.1,59.34,43.66,51.36, 总资产周转天数(天),1333.33,616.86,679.59,776.87,821.17,423.08,454.78,481.54,--,388.52,--,--,471.2,403.54,343.71, 流动资产周转率(次),0.08,0.69,0.47,0.28,0.13,1.11,0.78,0.51,--,1.21,--,0.25,0.96,1.04,117.62, 流动资产周转天数(天),1170.35,519.78,574.22,650.52,684.41,324.27,346.42,355.66,--,296.81,--,360.29,374.38,347.62,3.06, 经营现金净流量对销售收入比率(%),0.99,0.29,0.4,0.67,0.89,0.26,0.41,0.55,0.33,0.21,0.35,0.32,0.02,0.31,0.15, 资产的经营现金流量回报率(%),0.07,0.13,0.12,0.12,0.08,0.2,0.23,0.21,--,0.17,--,0.06,0.01,0.24,0.16, 经营现金净流量与净利润的比率(%),3.1,1.03,1.35,2.26,3.2,1.04,1.65,2.49,2.06,0.93,1.86,1.39,0.1,1.51,0.57, 经营现金净流量对负债比率(%),0.96,1.22,1.06,1.69,1.25,1.32,1.22,1.95,--,0.88,--,0.16,0.02,0.51,0.55, 现金流量比率(%),98.63,124.45,107.2,174,129.45,135.01,124.72,203.29,--,87.84,--,15.79,2.42,50.67,54.59,