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),1.82,2.61,3.23,4.16,2.61,5.12,10.48,16.66,10.92,17.83,15.51,14.23,20.94, 应收账款周转天数(天),197.38,137.81,111.6,86.52,137.89,70.3,34.36,21.6,32.97,20.2,23.21,25.31,17.2, 存货周转率(次),1.14,1.37,1.74,3.23,1.84,1.93,1.15,1.3,1.52,1.59,1.78,1.48,1.03, 固定资产周转率(次),1.55,2.5,6.52,14.52,6.22,6.58,6.82,18.13,37.4,71.56,--,--,0.69, 总资产周转率(次),0.22,0.29,0.4,0.58,0.4,0.61,0.49,0.49,0.49,1.01,--,--,0.69, 存货周转天数(天),315.46,263.37,207.21,111.59,195.3,186.27,311.74,276.97,236.86,226.64,202.75,243.1,349.31, 总资产周转天数(天),1629.7,1234.57,906.34,621.87,900.23,586.13,730.67,729.63,735.44,358.03,--,--,525.55, 流动资产周转率(次),0.44,0.52,0.65,0.9,0.58,0.8,0.61,0.58,0.55,1.06,1.03,0.8,68.96, 流动资产周转天数(天),810.81,692.97,553.34,398.36,621.44,447.82,591.62,618.88,657.89,338.76,349.96,449.66,5.22, 经营现金净流量对销售收入比率(%),0.22,0.13,-0.13,0.2,0.02,0.13,0.03,-0.12,0.01,0.07,0.04,0.06,0.45, 资产的经营现金流量回报率(%),0.05,0.04,-0.05,0.1,0.01,0.07,0.02,-0.05,0,0.06,0.04,0.04,0.31, 经营现金净流量与净利润的比率(%),2.82,--,-1.12,1.82,0.14,2.14,0.41,-1.23,0.06,0.48,0.3,0.56,4.36, 经营现金净流量对负债比率(%),0.13,0.07,-0.11,0.21,0.02,0.18,0.04,-0.16,0.01,0.1,0.07,0.06,0.41, 现金流量比率(%),14.19,7.79,-11.47,22.58,1.94,18.03,4.19,-15.72,0.71,10.15,7.13,6.37,41.13,