报告日期,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),7.01,3.09,11.09,7.43,5.08,2.46,9.76,6.01,--,--,--,5.19,--,--,8.68, 应收账款周转天数(天),25.68,29.09,32.47,36.32,35.43,36.6,36.88,44.93,--,--,--,34.68,--,--,41.46, 存货周转率(次),1.82,0.53,2.44,1.75,1.1,0.52,2.76,2.52,--,--,2.97,1.47,2.75,2.93,3.23, 固定资产周转率(次),1.96,--,2.21,--,1.13,--,2.14,1.52,--,--,2.19,--,2.36,--,0.86, 总资产周转率(次),0.61,0.17,0.78,0.57,0.36,0.16,0.78,0.62,--,--,0.82,--,0.83,0.88,0.86, 存货周转天数(天),98.74,171.04,147.44,154.59,163.1,172.12,130.41,107.3,--,--,121.12,122.17,130.69,122.8,111.54, 总资产周转天数(天),294.7,518.43,463.38,476.27,505.05,562.15,459.24,434.5,--,--,438.65,--,432.74,408.67,417.73, 流动资产周转率(次),1.04,0.31,1.52,1.11,0.69,0.3,1.69,1.5,--,--,1.78,0.92,1.59,1.69,171.51, 流动资产周转天数(天),172.51,294.41,237.51,242.92,261.93,304.67,213.47,180.28,--,--,202.41,196.01,226.16,213.14,2.1, 经营现金净流量对销售收入比率(%),0.38,0.59,0.12,0.08,0.06,-0.14,0,0.06,-0.06,-0.09,0.12,0.13,0.3,0.14,0.19, 资产的经营现金流量回报率(%),0.2,0.09,0.09,0.04,0.02,-0.02,0,0.04,--,--,0.09,0.05,0.25,0.12,0.17, 经营现金净流量与净利润的比率(%),1.19,3.88,0.84,0.62,0.58,-1.31,0.01,0.64,-0.61,-0.86,0.85,0.83,1.91,1.43,1.52, 经营现金净流量对负债比率(%),0.5,0.22,0.25,0.11,0.05,-0.04,0,0.08,--,--,0.17,0.11,0.54,0.25,0.29, 现金流量比率(%),62.17,30.86,44.03,22.49,7.54,-5.97,0.27,12.19,--,--,25.64,14.94,63.52,30.23,31.93,