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, 应收账款周转率(次),2.48,2.17,2.32,2.99,3.21,2.3,2.22,2.51,3.13,4.42,5.19,3.32,2.14, 应收账款周转天数(天),145,166.04,155.51,120.33,112.3,156.64,162.45,143.19,114.88,81.42,69.32,108.4,168.29, 存货周转率(次),2.95,3.26,4.21,3.4,3.1,3.8,7.91,9.23,6.11,4.43,4.16,3.76,2.32, 固定资产周转率(次),6.15,5.83,7.26,8.11,7.25,--,3.83,3.73,4.77,12.36,25.21,--,0.88, 总资产周转率(次),0.43,0.38,0.42,0.47,0.46,0.37,0.49,0.54,0.54,0.67,1.14,1.12,0.88, 存货周转天数(天),122.18,110.48,85.43,105.81,116.17,94.81,45.54,39.01,58.95,81.21,86.62,95.77,154.95, 总资产周转天数(天),839.94,947.37,866.63,758.21,785,965.92,732,669.27,666.54,534.36,316.85,320.88,408.72, 流动资产周转率(次),0.83,0.67,0.7,0.83,0.89,0.76,0.86,0.84,0.74,0.85,1.46,1.29,93.63, 流动资产周转天数(天),434.15,540.54,515.02,433.32,402.32,474.93,416.28,427.4,487.54,424.48,247.3,279.37,3.84, 经营现金净流量对销售收入比率(%),0.06,0.26,0.23,0.21,0.28,0.3,0.16,0.14,0.12,0.12,0.32,0.36,0.14, 资产的经营现金流量回报率(%),0.02,0.09,0.09,0.09,0.12,0.08,0.08,0.07,0.06,0.05,0.29,0.34,0.13, 经营现金净流量与净利润的比率(%),0.48,4.62,1.06,0.86,1.36,2.71,1.06,0.56,0.51,0.55,1.34,1.72,0.87, 经营现金净流量对负债比率(%),0.07,0.3,0.37,0.41,0.47,0.47,0.37,0.36,0.26,0.26,0.56,0.65,0.2, 现金流量比率(%),8.47,33.81,42.61,49,55.93,57.38,39.19,36.39,25.81,26.36,65.56,65.28,19.71,