报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31, 应收账款周转率(次),2.42,1.67,0.7,3.53,2.7,1.64,0.65,3.67,2.55,1.67,0.69,4.39,3.74,2.39,1.19,4.49,3.41,2.07,1.11,5.26,4.22,2.95,1.56,6.14,--,--,--,6.99,7.65,8.44,9.44,9.24,7.18, 应收账款周转天数(天),111.72,107.91,127.7,101.93,99.82,109.78,138.57,98.05,105.93,107.74,130.45,82.08,72.14,75.42,75.52,80.14,79.07,86.91,80.83,68.4,63.94,61.01,57.71,58.65,--,--,--,51.49,47.04,42.65,38.15,38.95,50.16, 存货周转率(次),3.04,2.13,0.82,4.85,2.75,1.47,0.52,4.22,2.69,1.61,0.71,4.87,3.37,2.55,1.29,5.12,3.8,2.61,1.26,4.98,3.6,2.46,1.3,4.38,--,--,--,4.6,4.53,4.58,5.22,4.86,3.44, 固定资产周转率(次),--,1.89,--,4.4,--,1.72,--,4.27,--,1.3,--,4.87,--,2.65,--,5.15,--,2.63,--,5.82,--,2.98,--,5.64,--,--,--,6.47,--,--,14.2,13.86,1.63, 总资产周转率(次),0.33,0.26,0.1,0.6,0.4,0.23,0.08,0.58,0.37,0.22,0.09,0.6,0.42,0.3,0.16,0.6,0.45,0.31,0.16,0.83,0.61,0.42,0.31,1.17,--,--,--,1.36,1.43,1.5,1.73,1.92,1.63, 存货周转天数(天),88.92,84.38,110.17,74.23,98.08,122.06,172.45,85.36,100.37,111.76,127.19,73.97,80.21,70.5,69.81,70.36,71.07,68.99,71.16,72.3,74.93,73.2,69.4,82.1,--,--,--,78.27,79.52,78.58,68.96,74.09,104.6, 总资产周转天数(天),828.73,704.78,869.57,596.62,667.82,767.59,1071.43,623.7,721.73,831.79,961.54,599.3,639.36,604.84,571.07,596.42,601.74,572.34,560.4,432.8,442.41,433.63,290.98,308.32,--,--,--,263.97,251.26,239.87,208.04,187.52,221.1, 流动资产周转率(次),0.41,0.33,0.13,0.78,0.52,0.3,0.11,0.75,0.49,0.28,0.12,0.77,0.54,0.38,0.2,0.74,0.55,0.39,0.2,1.02,0.75,0.51,0.41,1.55,--,--,--,1.81,1.86,1.84,2.02,2.26,198.41, 流动资产周转天数(天),664.04,539.25,677.2,462.78,519.03,596.03,826.45,482.9,556.7,641.25,743.19,467.59,501.67,474.81,447.76,486.82,490.55,466.81,461.3,354.58,361.78,354.47,221.02,232.72,--,--,--,198.76,193.3,195.52,177.92,159.1,1.81, 经营现金净流量对销售收入比率(%),0.1,0.1,0.09,0.13,0.13,0.17,0.4,0.07,0.08,0.16,0.17,0.02,0.01,-0.06,-0.06,0.15,0.12,0.04,-0.11,0.09,0.11,0.12,0.18,0.16,0.14,0.14,0.02,0.11,0.1,0.09,0.08,0.08,0.15, 资产的经营现金流量回报率(%),0.03,0.03,0.01,0.07,0.05,0.04,0.03,0.04,0.03,0.03,0.02,0.01,0.01,-0.02,-0.01,0.09,0.05,0.01,-0.02,0.05,0.05,0.04,0.05,0.17,--,--,--,0.14,0.13,0.12,0.12,0.13,0.24, 经营现金净流量与净利润的比率(%),0.62,0.6,0.51,0.74,0.8,0.88,1.87,0.5,0.69,1.51,1.94,0.11,0.08,-0.37,-0.33,0.87,0.69,0.23,-0.55,0.5,0.61,0.69,1.08,0.91,0.81,0.79,0.13,0.72,0.77,0.73,0.65,0.69,1.29, 经营现金净流量对负债比率(%),0.17,0.16,0.05,0.42,0.32,0.26,0.28,0.23,0.19,0.19,0.09,0.06,0.03,-0.12,-0.08,0.59,0.41,0.1,-0.11,0.36,0.42,0.36,0.28,0.85,--,--,--,0.55,0.39,0.34,0.28,0.27,0.47, 现金流量比率(%),19.38,18.24,5.72,46.11,35.47,28.53,31.79,25.69,20.18,20.52,10.07,6.06,3.54,-13.32,-8.95,63.59,42.78,10.74,-11.76,37.35,44.72,38.27,29.98,92.02,--,--,--,60.24,42.44,37.14,29.92,33.29,47.22,