报告日期,2021-12-31,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31, 应收账款周转率(次),2.44,2.39,2.31,1.75,1.58,1.73,1.35,0.7,1.03,1,1.62,1.91,1.98,2.17,2.44,2.86,2.74,1.78,1.49, 应收账款周转天数(天),147.43,150.49,155.85,205.68,227.22,207.56,265.76,512.82,350.06,358.53,222.61,188.01,181.91,166.21,147.35,125.99,131.57,201.69,240.88, 存货周转率(次),--,759.75,14.06,4.68,4.28,3.98,1.86,0.91,1.42,1.32,2.01,2.75,3.09,2.55,3.22,3.67,3.85,3.51,4.9, 固定资产周转率(次),13.97,9.04,8.34,5.89,4.85,4.76,2.78,1.37,2.55,2.79,4.15,4.11,5.52,10.46,9.1,9.05,6.56,3.6,0.62, 总资产周转率(次),0.5,0.44,0.51,0.41,0.37,0.39,0.33,0.23,0.35,0.34,0.51,0.54,0.59,0.65,0.74,1.01,0.94,0.7,0.62, 存货周转天数(天),--,0.47,25.61,76.89,84.2,90.52,193.76,396.3,254.09,273.27,179.47,131,116.34,141.32,111.97,98.1,93.5,102.43,73.52, 总资产周转天数(天),724.05,821.73,708.8,871.67,969.04,919.78,1083.03,1538.46,1037.17,1071.75,701.89,666.91,606.06,553.34,486.36,357.04,381.56,513.92,582.52, 流动资产周转率(次),1.05,0.92,1.13,0.92,0.81,0.79,0.56,0.31,0.45,0.44,0.68,0.72,0.81,0.82,0.84,1.2,1.14,0.92,83.4, 流动资产周转天数(天),344.46,392.76,318.22,389.36,442.37,453.92,638.64,1163.17,798.05,813.93,531.05,497.93,445.38,436.84,426.54,300.55,314.8,390.24,4.32, 经营现金净流量对销售收入比率(%),-0.21,0.15,0.04,0.09,0.1,0.11,0.03,-0.12,-0.11,-0.14,-0.1,0.02,-0.02,0.01,0.03,0.18,0.18,0.18,-0.09, 资产的经营现金流量回报率(%),-0.11,0.06,0.02,0.04,0.04,0.04,0.01,-0.03,-0.04,-0.04,-0.05,0.01,-0.01,0,0.02,0.16,0.13,0.11,-0.06, 经营现金净流量与净利润的比率(%),--,3.88,--,2.78,1,1.23,0.46,--,-2.42,-1.63,-0.51,0.09,-0.11,0.04,0.15,0.83,0.8,1.28,-0.72, 经营现金净流量对负债比率(%),-0.34,0.19,0.08,0.12,0.14,0.17,0.02,-0.07,-0.08,-0.09,-0.12,0.02,-0.03,0.01,0.06,0.38,0.28,0.21,-0.12, 现金流量比率(%),-37.28,20.69,7.87,12.39,13.93,19.97,2.72,-11.96,-11.1,-10.29,-12.39,2.31,-4.06,1.27,6.82,47.96,34.27,23.43,-13.1,