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, 应收账款周转率(次),29.1,46.39,144.44,164.91,108.04,90.29,84.26,62.97,59.8,96.82,64.11,33.44, 应收账款周转天数(天),12.37,7.76,2.49,2.18,3.33,3.99,4.27,5.72,6.02,3.72,5.62,10.77, 存货周转率(次),14.92,16.26,14.09,14.61,14.98,14.52,14.85,11.54,9.26,9.37,8.29,7.63, 固定资产周转率(次),3.2,3.42,3.81,4.46,4.15,3.9,4.77,5.24,4.72,4.82,3.69,0.79, 总资产周转率(次),0.85,0.88,0.99,1.2,1.14,1.1,1.19,1.14,1.06,1.19,1,0.79, 存货周转天数(天),24.13,22.13,25.55,24.64,24.03,24.8,24.24,31.21,38.88,38.43,43.41,47.21, 总资产周转天数(天),425.63,409.23,363.34,300.28,315.79,327.69,301.68,315.73,339.98,302.8,360.54,457.08, 流动资产周转率(次),1.41,1.44,1.63,2.09,2.01,1.89,2,1.87,1.71,2,1.95,169.72, 流动资产周转天数(天),254.8,249.24,220.71,172.46,179.41,190.78,180.28,192.77,210.56,180.12,184.59,2.12, 经营现金净流量对销售收入比率(%),0.15,0.2,-0.01,0.09,0.13,0.1,0.16,0.1,0.15,0.14,0.1,0.1, 资产的经营现金流量回报率(%),0.12,0.18,-0.01,0.1,0.14,0.1,0.17,0.1,0.13,0.13,0.09,0.08, 经营现金净流量与净利润的比率(%),3.08,3.75,-0.21,0.84,1.24,0.76,1.1,0.76,1.27,1.13,1.24,1.5, 经营现金净流量对负债比率(%),0.24,0.33,-0.02,0.2,0.3,0.22,0.37,0.21,0.28,0.24,0.18,0.22, 现金流量比率(%),25.59,36.06,-1.83,20.43,31.57,23.32,39.58,22.45,30.24,26.85,20.13,22.87,