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, 应收账款周转率(次),2.04,2.83,3.34,3.54,3.23,4.01,4.85,7.45,11.28, 应收账款周转天数(天),176.88,127.2,107.95,101.56,111.37,89.77,74.16,48.31,31.93, 存货周转率(次),4.56,3.78,2.7,1.84,1.56,1.44,1.45,1.81,3, 固定资产周转率(次),3.54,8.18,7.09,4.29,2.85,4.1,6.04,5.35,1.16, 总资产周转率(次),0.56,0.7,0.79,0.76,0.59,0.63,0.76,1.04,1.16, 存货周转天数(天),79,95.21,133.57,195.58,230.96,250.1,248.45,199.15,120.15, 总资产周转天数(天),641.83,513.48,453.8,475.06,610.69,568.99,472.26,346.72,311.02, 流动资产周转率(次),0.92,1.04,1.08,1.09,0.91,0.93,1.08,1.63,203.82, 流动资产周转天数(天),390.24,344.73,333.52,331.19,394.82,385.36,332.5,220.57,1.77, 经营现金净流量对销售收入比率(%),0.07,0.06,-0.03,0.03,-0.02,0.15,0.04,0.02,0.01, 资产的经营现金流量回报率(%),0.04,0.04,-0.02,0.02,-0.01,0.09,0.02,0.01,0.01, 经营现金净流量与净利润的比率(%),1.01,0.82,-0.27,0.21,-0.18,0.93,0.2,0.09,0.06, 经营现金净流量对负债比率(%),0.07,0.07,-0.03,0.04,-0.02,0.2,0.05,0.02,0.02, 现金流量比率(%),9.5,8.87,-4.13,5.49,-2.98,21.3,4.89,2.22,2.46,