报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),11.15,28.13,56.27,50.8,44.08,43.64,45.93,47.65, 应收账款周转天数(天),32.29,12.8,6.4,7.09,8.17,8.25,7.84,7.55, 存货周转率(次),4.06,7.02,6.34,6.06,6.2,5.65,5.34,5.5, 固定资产周转率(次),2.65,4.42,4.23,3.28,2.96,--,--,1.1, 总资产周转率(次),0.62,1.08,1.02,1.03,1.12,1.1,--,1.1, 存货周转天数(天),88.61,51.26,56.76,59.36,58.04,63.69,67.4,65.43, 总资产周转天数(天),584.51,332.63,352.22,350.5,320.8,327.84,--,327.21, 流动资产周转率(次),2.09,1.87,1.81,2.06,2.87,2.97,3.32,324.82, 流动资产周转天数(天),172.61,192.56,198.9,175.05,125.51,121.15,108.59,1.11, 经营现金净流量对销售收入比率(%),0.11,0.12,0.18,0.15,0.11,0.18,0.13,0.09, 资产的经营现金流量回报率(%),0.04,0.12,0.17,0.12,0.13,0.19,0.14,0.1, 经营现金净流量与净利润的比率(%),--,1.03,1.59,1.57,1.23,1.63,1.32,1.1, 经营现金净流量对负债比率(%),0.06,0.54,0.76,0.7,0.38,0.44,0.31,0.2, 现金流量比率(%),31.92,60.1,83.25,80.95,70.77,78.13,67.8,31.51,