报告日期,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),7.42,1.99,5.84,3.93,2.71,1.24,6.26,4.68,3.04,1.47,7.12,--,3.25,--,5.91,5.89,5.67, 应收账款周转天数(天),24.25,45.15,61.69,68.7,66.36,72.45,57.5,57.7,59.17,61.15,50.54,--,55.38,--,60.94,61.15,63.46, 存货周转率(次),2.8,0.9,3.14,2.15,1.35,0.61,3.36,2.69,1.92,0.87,4.39,--,2.08,--,3.95,4.55,4.57, 固定资产周转率(次),7.2,--,3.68,--,1.49,--,2.76,--,1.28,--,2.51,--,--,--,2.33,--,0.89, 总资产周转率(次),0.82,0.25,0.83,0.61,0.39,0.17,0.91,0.65,0.43,0.21,1.08,--,0.52,--,0.86,0.86,0.89, 存货周转天数(天),64.24,100.16,114.52,125.44,133.21,148.51,107.17,100.2,93.63,102.99,81.93,--,86.55,--,91.1,79.16,78.75, 总资产周转天数(天),220.8,362.32,435.52,445.69,458.48,517.54,396.04,416.92,417.83,427.76,333.67,--,347.62,--,417.92,420.41,404.81, 流动资产周转率(次),1.12,0.42,1.42,1.07,0.73,0.32,1.78,1.22,0.79,0.46,2.44,--,1.16,--,1.67,1.54,171.11, 流动资产周转天数(天),160.77,216.82,253.16,251.56,247.93,284.18,202.62,221.04,229.01,196.85,147.52,--,155.07,--,215.76,233.19,2.1, 经营现金净流量对销售收入比率(%),0.6,0.28,0.11,0.08,0.04,-0.13,0.01,-0.07,-0.16,-0.05,0.14,0.11,0.12,0.08,0.13,0.14,0.08, 资产的经营现金流量回报率(%),0.34,0.06,0.07,0.04,0.01,-0.02,0.01,-0.04,-0.06,-0.01,0.14,--,0.06,--,0.12,0.11,0.08, 经营现金净流量与净利润的比率(%),2.06,2.28,1.12,0.95,0.43,-1.31,0.16,-0.79,-2.03,-0.71,1.49,1.46,1.59,1.03,1.67,1.8,3.8, 经营现金净流量对负债比率(%),0.54,0.13,0.16,0.08,0.03,-0.05,0.03,-0.08,-0.14,-0.02,0.25,--,0.1,--,0.2,0.14,0.08, 现金流量比率(%),60.31,18.62,24.77,8.72,3.27,-5.47,2.98,-9.06,-15.48,-1.96,27.5,--,11.05,--,22.76,14.32,8.82,