报告日期,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),5.28,3.71,2.15,10.99,6.09,4.15,2.19,10.12,5.41,4.28,--,7.75,--,7.87,9.39,7.39, 应收账款周转天数(天),51.18,48.5,41.82,32.76,44.36,43.33,41.16,35.57,49.89,42.09,--,46.43,--,45.75,38.34,48.68, 存货周转率(次),0.37,0.28,0.11,0.65,0.43,0.29,0.13,0.56,0.46,0.29,--,0.6,--,0.71,0.81,0.71, 固定资产周转率(次),--,1.87,--,3.38,--,1.69,--,2.91,--,1.39,--,2.4,--,2.86,--,0.68, 总资产周转率(次),0.48,0.32,0.13,0.51,0.37,0.25,0.11,0.56,0.44,0.38,--,0.72,--,0.71,0.71,0.68, 存货周转天数(天),735.49,651.47,843.49,554.61,633.65,621.98,706.44,641.83,585.56,612.24,--,597.21,--,503.57,443.4,504.2, 总资产周转天数(天),568.42,569.26,707.55,711.46,724.05,715.99,821.17,638.64,611.55,478.21,--,498.13,--,508.33,506.76,526.16, 流动资产周转率(次),0.61,0.4,0.16,0.63,0.47,0.32,0.14,0.76,0.61,0.59,--,1.23,--,1.23,1.14,108.61, 流动资产周转天数(天),446.28,444.55,563.91,568.54,576.06,569.62,658.86,472.88,444.08,303.85,--,292.87,--,293.3,315.84,3.31, 经营现金净流量对销售收入比率(%),0.24,0.17,0.15,0.43,0.36,0.29,0.17,0.52,0.38,0.39,0.34,0.45,0.31,0.32,0.51,0.53, 资产的经营现金流量回报率(%),0.1,0.05,0.02,0.2,0.13,0.07,0.02,0.22,0.13,0.14,--,0.29,--,0.22,0.28,0.36, 经营现金净流量与净利润的比率(%),0.58,0.43,0.38,0.89,0.67,0.58,0.37,1.03,0.78,0.81,0.77,0.93,0.62,0.65,1.09,1.1, 经营现金净流量对负债比率(%),0.53,0.31,0.16,1.62,1.15,0.65,0.2,2.06,1.46,1.06,--,1.49,--,1.03,0.56,1.49, 现金流量比率(%),63.07,34.5,18.99,189.68,142.34,80.78,25.44,262.06,195.82,149.75,--,193.42,--,144.66,58.28,164.44,