报告日期,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31, 应收账款周转率(次),1.68,2.18,3.63,7.11,7.67,7.56,8.11,8.8,11.13,10.68,8.92,10.75,12.77,13.04,9.63,7.35,7.32,6.77,6.53,7.09,7.09,7.11,7.66,10.07, 应收账款周转天数(天),214.09,165.41,99.22,50.62,46.95,47.63,44.41,40.91,32.35,33.72,40.35,33.49,28.19,27.61,37.37,48.99,49.2,53.16,55.17,50.77,50.75,50.65,46.97,35.77, 存货周转率(次),0.25,0.28,0.54,1.3,1.35,1.51,2.11,2.69,3.06,2.78,1.93,1.99,3.03,4.04,3.55,3.2,3.38,3.38,3.41,4.35,5.19,5.96,3.59,1.56, 固定资产周转率(次),--,--,2.57,4.4,4.04,3.97,3.91,4.14,5.11,4.45,3.51,2.77,2.27,2.3,2.03,1.47,1.6,1.57,2.03,3.91,4.21,3.7,2.01,0.46, 总资产周转率(次),0.11,0.16,0.27,0.43,0.47,0.55,0.64,0.66,0.67,0.52,0.46,0.46,0.47,0.5,0.61,0.71,0.71,0.7,0.72,1.02,1.54,1.51,0.96,0.46, 存货周转天数(天),1415.09,1290.32,663.35,276.29,265.92,238.62,170.62,133.93,117.74,129.34,186.09,181.12,118.74,89.14,101.53,112.5,106.48,106.59,105.69,82.73,69.37,60.44,100.37,231.3, 总资产周转天数(天),3383.46,2238.81,1332.84,839.94,772.86,657.41,565.77,541.76,535.16,694.04,784.66,789.47,772.37,713.01,591.72,506.19,507.26,517.09,502.44,353.98,233.99,238.27,374.57,778.21, 流动资产周转率(次),0.16,0.22,0.35,0.52,0.59,0.72,0.9,1.02,1.06,0.86,0.82,0.82,0.78,0.78,1.13,2.08,1.85,1.76,1.51,1.78,2.95,3.09,2.33,133.21, 流动资产周转天数(天),2322.58,1632.65,1029.75,686.24,614.75,499.17,398.36,352.46,338.06,416.28,440.21,436.63,459.71,464.22,318.95,173.19,194.43,204.59,237.78,202.34,121.92,116.52,154.53,2.7, 经营现金净流量对销售收入比率(%),0.19,0.28,-0.16,0.07,0.07,0.03,0.07,0.13,0.09,0.09,0.2,0.05,0,0.13,0.08,0.23,0.14,0.17,0.13,0.04,0.03,0.09,--,--, 资产的经营现金流量回报率(%),0.03,0.05,-0.04,0.03,0.03,0.01,0.04,0.08,0.06,0.04,0.08,0.02,0,0.05,0.04,0.17,0.09,0.11,0.08,0.03,0.04,0.13,--,--, 经营现金净流量与净利润的比率(%),--,--,-2.84,0.45,0.48,0.18,0.5,0.89,0.7,0.57,0.94,0.24,0.01,1.11,0.68,1.83,1.1,1.52,1.22,0.54,0.41,1.19,--,--, 经营现金净流量对负债比率(%),0.02,0.07,-0.07,0.05,0.06,0.03,0.1,0.16,0.14,0.1,0.2,0.06,0,0.18,0.09,0.62,0.23,0.3,0.22,0.1,0.08,0.26,--,--, 现金流量比率(%),4.52,14.34,-12.26,7.2,8.01,3.67,13.73,23.47,26.89,28.05,40.99,10.69,0.46,18.6,8.92,61.51,30.54,29.84,28.39,10.29,10.91,30.63,--,--,