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),6.84,8.07,7.68,6.76,7.02,7.57,9.11,9.34, 应收账款周转天数(天),52.61,44.58,46.87,53.22,51.27,47.53,39.52,38.53, 存货周转率(次),6.42,8.35,7.59,6.98,7.95,8.72,11.04,11.64, 固定资产周转率(次),3.69,5.1,4.53,4.03,4.95,7.59,13.71,1.62, 总资产周转率(次),0.89,0.92,0.98,0.98,1.21,1.27,1.53,1.62, 存货周转天数(天),56.09,43.1,47.44,51.61,45.26,41.3,32.61,30.94, 总资产周转天数(天),403.63,392.76,369.19,366.6,298.21,283.69,236,222.3, 流动资产周转率(次),1.97,2.1,2.1,1.93,2.13,2.25,2.44,241.49, 流动资产周转天数(天),183.09,171.41,171.75,186.4,168.78,159.76,147.31,1.49, 经营现金净流量对销售收入比率(%),0.04,0.09,0.11,0.14,0.06,0.08,0.08,0.13, 资产的经营现金流量回报率(%),0.04,0.07,0.1,0.11,0.07,0.09,0.11,0.21, 经营现金净流量与净利润的比率(%),0.72,1.43,0.9,1.44,1.11,0.85,0.9,1.55, 经营现金净流量对负债比率(%),0.08,0.18,0.38,0.68,0.27,0.17,0.21,0.38, 现金流量比率(%),11.33,21.96,63.49,77.69,30.75,19.41,26.03,43.64,