报告日期,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2015-09-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),2.65,1.66,0.81,4.47,3.31,2.19,1.1,4.36,3.23,2.25,--,4.05,--,3.89,2.88,3.81,3.93,3.46, 应收账款周转天数(天),102.06,108.19,111.5,80.57,81.49,82.03,81.97,82.59,83.61,79.87,--,88.85,--,92.45,93.83,94.6,91.62,104.19, 存货周转率(次),1.24,0.78,0.36,2.04,1.49,0.96,0.46,2.34,1.92,1.28,--,2.85,--,2.91,1.92,3.11,3.23,2.54, 固定资产周转率(次),--,1.33,--,4.2,--,2.05,--,4.01,--,1.92,--,--,--,--,--,--,--,0.91, 总资产周转率(次),0.36,0.23,0.11,0.64,0.47,0.31,0.15,0.74,0.66,0.43,--,0.89,--,--,--,--,--,0.91, 存货周转天数(天),216.88,231.6,249.38,176.41,181.73,187.19,195.27,153.73,140.5,140.18,--,126.43,--,123.8,140.58,115.93,111.35,141.66, 总资产周转天数(天),759.49,798.58,797.87,564.79,572.88,573.61,590.55,486.49,411.15,418.7,--,406.46,--,--,--,--,--,393.57, 流动资产周转率(次),0.53,0.34,0.16,0.9,0.66,0.44,0.21,1.11,1.1,0.73,--,1.53,--,1.47,1.01,1.45,1.54,132.2, 流动资产周转天数(天),508.09,535.55,546.45,400.94,411.46,411.62,423.73,324.09,244.99,246.91,--,234.88,--,244.62,266.11,249.03,233.55,2.72, 经营现金净流量对销售收入比率(%),0.17,0.21,0.1,0.05,-0.06,-0.13,-0.28,-0,0.06,0.03,-0.06,0.12,0.11,0.21,0.15,0.15,0.14,0.06, 资产的经营现金流量回报率(%),0.07,0.05,0.01,0.03,-0.03,-0.04,-0.04,-0,0.04,0.01,--,0.1,--,0.19,0.09,0.15,0.14,0.06, 经营现金净流量与净利润的比率(%),--,--,--,0.89,-1.06,-1.75,-2.82,-0.01,0.62,0.29,-0.48,1.01,0.84,2.17,1.29,1.2,1.05,0.57, 经营现金净流量对负债比率(%),0.29,0.2,0.05,0.1,-0.09,-0.12,-0.13,-0,0.07,0.02,--,0.18,--,0.33,0.16,0.25,0.27,0.11, 现金流量比率(%),29.98,20.74,5.53,11.37,-10.2,-12.98,-13.55,-0.11,7.1,2.48,--,20.37,--,33.52,15.71,25.45,26.82,10.81,