报告日期,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),2.28,1.51,--,3.4,--,--,--,3.18,1.45,2.54,3.18,4.15,4.34, 应收账款周转天数(天),118.49,119.39,--,105.87,--,--,--,113.32,124.4,141.97,113.35,86.82,83.03, 存货周转率(次),28.03,20.59,8.33,43.22,--,--,--,33.56,12.08,24.65,20.67,22,24.08, 固定资产周转率(次),--,1.19,--,2.37,--,--,--,--,--,--,--,--,1.08, 总资产周转率(次),0.75,0.47,0.21,1.06,--,--,--,0.87,--,--,--,--,1.08, 存货周转天数(天),9.63,8.74,10.8,8.33,--,--,--,10.73,14.9,14.6,17.42,16.37,14.95, 总资产周转天数(天),358.47,385.03,420.17,339.17,--,--,--,412.14,--,--,--,--,334.79, 流动资产周转率(次),1.69,1.01,0.53,2.61,--,--,--,2.3,1.01,1.81,2.13,2.51,253.58, 流动资产周转天数(天),160,178.45,170.23,137.93,--,--,--,156.19,178.64,198.73,168.96,143.68,1.42, 经营现金净流量对销售收入比率(%),0.03,0.04,0.22,0.06,0.07,0.12,0.32,0.09,0.1,0.12,0.1,0.09,0.05, 资产的经营现金流量回报率(%),0.02,0.02,0.05,0.06,--,--,--,0.08,0.04,0.08,0.1,0.09,0.05, 经营现金净流量与净利润的比率(%),0.75,0.86,22.72,1.43,1.94,2.19,44.18,1.71,1.54,3.46,1.42,1.46,0.87, 经营现金净流量对负债比率(%),0.07,0.05,0.1,0.12,--,--,--,0.16,0.07,0.16,0.19,0.18,0.11, 现金流量比率(%),7.16,5.56,12.63,14.2,--,--,--,18.82,9.96,20.28,24.84,21.54,12.77,