报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31, 应收账款周转率(次),2.86,3.65,2.47,2.92,3.26,2.27,2.86,3.26,4.38,4.86,4.91,5.77,4.36, 应收账款周转天数(天),125.88,98.61,145.54,123.38,110.43,158.3,125.85,110.52,82.11,74.11,73.3,62.43,82.63, 存货周转率(次),5.43,8.11,6.58,5.73,4.62,3.53,4.32,5.15,5.72,4.68,4.11,5.98,5.53, 固定资产周转率(次),5.27,9.04,6.46,6.12,5.48,4.24,6.56,8.87,13.68,16.47,17.59,40.78,1.64, 总资产周转率(次),0.61,0.9,0.65,0.65,0.58,0.42,0.6,0.74,1.21,1.55,1.62,2.04,1.64, 存货周转天数(天),66.32,44.37,54.71,62.81,77.97,101.89,83.38,69.85,62.98,76.87,87.51,60.2,65.13, 总资产周转天数(天),592.3,401.88,554.36,555.56,623.92,850.66,597.91,483.74,297.55,231.54,222.59,176.86,219.16, 流动资产周转率(次),1.03,1.54,1.21,1.21,1.04,0.82,0.98,0.97,1.46,1.82,1.87,2.29,183.57, 流动资产周转天数(天),350.74,233.58,297.15,296.56,347.69,441.66,367.61,369.8,247.17,198.13,192.25,157.13,1.96, 经营现金净流量对销售收入比率(%),0.16,0.01,-0.09,-0.01,0.02,0.09,-0.01,-0.41,-0.09,0.03,0.02,0.02,0.02, 资产的经营现金流量回报率(%),0.09,0,-0.06,-0.01,0.01,0.03,-0.01,-0.25,-0.08,0.05,0.03,0.03,0.03, 经营现金净流量与净利润的比率(%),3.41,--,-10.1,-0.17,0.42,0.91,-0.11,-7.12,-1.57,0.49,0.3,0.28,0.33, 经营现金净流量对负债比率(%),0.23,0.01,-0.17,-0.02,0.04,0.17,-0.03,-0.68,-0.49,0.08,0.06,0.06,0.05, 现金流量比率(%),28.22,1.31,-21.2,-2.14,3.86,17.21,-2.54,-68.65,-49.77,9.17,5.81,5.75,4.76,