报告日期,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31, 应收账款周转率(次),5.11,4.94,4.8,5.18,3.98,4.11,4.13,3.98,5.13,6.23,5.85,7.46,7.09,6.65,9.66, 应收账款周转天数(天),70.41,72.82,74.97,69.55,90.52,87.65,87.14,90.41,70.22,57.77,61.59,48.25,50.75,54.14,37.25, 存货周转率(次),3.34,3.55,3.7,3.49,2.74,2.73,2.12,1.69,1.89,2.06,2.31,2.94,2.76,2.72,3.8, 固定资产周转率(次),1.7,1.82,2,1.99,1.59,1.8,1.38,1.1,1.9,3.53,2.99,3.15,2.84,2.53,0.93, 总资产周转率(次),0.47,0.51,0.53,0.53,0.44,0.52,0.48,0.42,0.49,0.5,0.41,0.57,0.89,0.82,0.93, 存货周转天数(天),107.71,101.39,97.34,103.06,131.4,132.1,169.84,213.06,190.93,174.75,156.1,122.38,130.56,132.59,94.72, 总资产周转天数(天),762.23,709.22,683.5,675.8,813.56,695.11,757.1,867.47,735.44,719.14,880.2,630.14,404.18,436.95,386.18, 流动资产周转率(次),1.28,1.3,1.36,1.32,1.05,1.19,1.16,1.14,1.16,0.97,0.6,0.78,1.53,1.39,156.15, 流动资产周转天数(天),281.43,275.93,265.57,271.9,342.4,302.67,310.51,316.9,311.61,370.79,602.71,462.19,235.79,258.99,2.31, 经营现金净流量对销售收入比率(%),0.1,0.11,0.22,0.01,0.05,0.04,0.16,0.03,0.12,-0.01,-0.01,0.14,0.16,0.05,0.1, 资产的经营现金流量回报率(%),0.04,0.06,0.11,0,0.02,0.02,0.07,0.01,0.06,-0,-0,0.05,0.14,0.04,0.09, 经营现金净流量与净利润的比率(%),4.44,1.47,1.67,0.1,0.31,0.46,2.01,1.19,1.55,-0.12,-0.05,1.19,1.45,0.37,0.56, 经营现金净流量对负债比率(%),0.08,0.11,0.21,0.01,0.04,0.04,0.21,0.02,0.14,-0.01,-0.01,0.17,0.23,0.05,0.14, 现金流量比率(%),11.07,12.72,23.31,0.8,4.05,4.72,22.91,2.6,14.48,-1.15,-0.88,18.72,24.89,5.48,14.35,