报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),1.12,5.4,3.64,2.42,1.15,5.55,--,--,--,--,--,--,5.86, 应收账款周转天数(天),80.35,66.61,74.15,74.52,78.42,64.86,--,--,--,--,--,--,61.41, 存货周转率(次),0.9,4.27,3.12,1.92,0.9,4.41,--,1.98,--,4.66,4.76,4.67,3.94, 固定资产周转率(次),--,3.66,--,1.77,--,3.76,--,1.78,--,3.6,3.25,--,0.92, 总资产周转率(次),0.15,0.76,0.56,0.37,0.16,0.89,--,0.44,--,0.93,0.95,0.93,0.92, 存货周转天数(天),99.58,84.34,86.52,93.93,100.06,81.7,--,91.05,--,77.24,75.62,77.01,91.35, 总资产周转天数(天),610.17,473.31,480.6,491.4,564.97,404.45,--,409.18,--,385.36,380.07,387.06,392.93, 流动资产周转率(次),0.26,1.45,1.02,0.66,0.29,1.81,--,0.91,--,1.89,1.97,1.92,184.35, 流动资产周转天数(天),343.12,247.93,264.71,272.11,314.36,198.96,--,198.41,--,190.44,183.2,187.63,1.95, 经营现金净流量对销售收入比率(%),-0.05,0.08,0,-0.02,-0.13,0.11,-0.02,-0.03,-0.33,0.15,0.2,0.1,0.08, 资产的经营现金流量回报率(%),-0.01,0.05,0,-0.01,-0.02,0.09,--,-0.02,--,0.14,0.19,0.09,0.07, 经营现金净流量与净利润的比率(%),-0.37,0.73,0.05,-0.23,-1.91,0.92,-0.21,-0.33,-5.27,1.32,1.73,0.96,0.98, 经营现金净流量对负债比率(%),-0.03,0.26,0.01,-0.04,-0.1,0.27,--,-0.05,--,0.42,0.57,0.25,0.18, 现金流量比率(%),-3.54,35.55,1.53,-5.66,-13.09,33.95,--,-5.69,--,53.81,76.64,33.64,25.69,