报告日期,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),7.26,5.42,3.52,1.76,--,--,3.92,--,--,4.26,--,7.34,6.85, 应收账款周转天数(天),49.61,49.82,51.13,51.14,--,--,45.92,--,--,42.25,--,49.08,52.53, 存货周转率(次),4.83,3.32,2.49,1.34,5.2,--,2.38,--,5.84,3.99,6.94,6.33,5.21, 固定资产周转率(次),2.27,--,1.24,--,2.57,--,--,--,2.68,--,--,--,0.78, 总资产周转率(次),0.59,0.47,0.32,0.17,0.98,--,0.51,--,0.98,--,0.92,--,0.78, 存货周转天数(天),74.57,81.41,72.21,67.17,69.25,--,75.48,--,61.64,45.07,51.85,56.9,69.07, 总资产周转天数(天),607.9,570.95,557.28,522.95,365.78,--,355.03,--,366.19,--,389.27,--,460.18, 流动资产周转率(次),0.97,0.74,0.51,0.27,2.2,--,1.14,--,2.4,1.34,1.87,1.4,130.45, 流动资产周转天数(天),372.17,364.91,354.96,330.28,163.62,--,157.27,--,149.97,134.16,192.96,257.29,2.76, 经营现金净流量对销售收入比率(%),0.25,0.2,0.21,0.16,0.13,0.14,0.1,0.08,0,0.02,0.15,0.15,0.14, 资产的经营现金流量回报率(%),0.11,0.07,0.05,0.02,0.11,--,0.05,--,0,0.01,0.14,0.12,0.11, 经营现金净流量与净利润的比率(%),1.15,0.88,0.98,0.96,0.71,0.73,0.53,0.46,0.01,0.12,0.67,0.97,0.86, 经营现金净流量对负债比率(%),0.72,0.6,0.36,0.14,0.41,--,0.14,--,0,0.04,0.35,0.34,0.32, 现金流量比率(%),78.7,68.13,39.96,15.71,45.72,--,18.15,--,0.47,4.6,38.15,64.87,36.05,