报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31, 应收账款周转率(次),7.58,7.29,7.39,7.16,7.02,7.04,5.97,7.83,6.68,6.39,7.5, 应收账款周转天数(天),47.48,49.42,48.74,50.27,51.25,51.16,60.31,45.97,53.86,56.34,48, 存货周转率(次),2.99,3.8,3.42,3.57,3.82,3.16,2.69,3.72,4.87,4.92,4.8, 固定资产周转率(次),28.01,23.74,16.38,11.85,10.05,8.84,6.59,8.61,7.96,--,1.69, 总资产周转率(次),0.75,0.76,0.66,0.6,0.58,0.54,0.58,1.42,1.69,1.65,1.69, 存货周转天数(天),120.25,94.75,105.25,100.76,94.22,113.95,133.89,96.85,73.88,73.15,75.02, 总资产周转天数(天),478.28,474.06,544.3,602.61,616.86,668.77,619.62,253.18,213.18,218.13,213.38, 流动资产周转率(次),0.8,0.81,0.71,0.65,0.65,0.6,0.67,1.84,2.37,2.43,251.29, 流动资产周转天数(天),451.69,444.55,504.7,550.21,557.62,603.52,538.84,195.38,152.09,147.86,1.43, 经营现金净流量对销售收入比率(%),0.14,0.2,0.16,0.11,0.12,0.06,0.06,0.13,0.21,0.14,0.16, 资产的经营现金流量回报率(%),0.1,0.14,0.1,0.06,0.07,0.03,0.02,0.17,0.33,0.25,0.27, 经营现金净流量与净利润的比率(%),0.64,1.08,0.79,0.88,1.47,0.79,0.62,0.77,1.29,0.98,1.45, 经营现金净流量对负债比率(%),0.63,0.75,0.76,0.35,0.79,0.35,0.33,0.83,1.14,1.08,0.92, 现金流量比率(%),66.8,76.05,76.47,35.53,80.06,35.55,33.5,83.32,114.62,108.6,93.13,