报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31, 应收账款周转率(次),4.24,2.76,1.26,4.53,3.83,1.88,0.87,3.77,2.85,1.86,0.87,4.31,3.93,2.45,1.34,5.3,4,2.57,1.28,5.96,4.76,3.16,1.64,5.81,4.28,2.72,1.45,6.15,5.35,3.48,--,8.62,--,8.58,7.86,7.5,8.65,9.47, 应收账款周转天数(天),63.67,65.18,71.47,79.4,70.45,95.79,103.99,95.37,94.78,96.98,103.89,83.56,68.71,73.61,67.33,67.87,67.44,69.93,70.47,60.38,56.69,56.95,54.81,61.95,63.14,66.24,62.22,58.55,50.49,51.75,--,41.77,--,41.95,45.78,47.99,41.63,38.01, 存货周转率(次),1.57,0.98,0.47,1.66,1.16,0.63,0.27,1.93,1.59,1.01,0.5,2.31,1.59,1.18,0.58,2.36,1.69,1.11,0.57,2.39,1.65,1.02,0.42,1.86,1.41,0.95,0.5,2.21,1.78,1.27,--,2.75,--,2.93,2.95,3.37,3,2.71, 固定资产周转率(次),--,0.93,--,1.32,--,0.51,--,1.2,--,0.63,--,1.32,--,0.65,--,1.2,--,0.57,--,1.16,--,0.54,--,1.35,--,0.73,--,1.91,--,1,--,--,--,--,--,--,--,1.01, 总资产周转率(次),0.52,0.33,0.16,0.55,0.37,0.21,0.08,0.51,0.39,0.26,0.12,0.58,0.4,0.29,0.15,0.56,0.4,0.26,0.13,0.52,0.38,0.24,0.11,0.52,0.44,0.28,0.15,0.68,0.44,0.38,--,0.9,--,--,0.95,1.12,--,1.01, 存货周转天数(天),172.28,184.14,189.95,217.37,232.46,287.04,330.28,186.66,169.52,178.41,179.1,156.18,170.18,152.08,154.99,152.33,159.97,162.78,156.77,150.74,163.37,176.99,212.41,193.32,191.69,189.59,178.57,162.61,151.86,142.26,--,131,--,122.88,122.16,106.98,120.09,132.73, 总资产周转天数(天),514.68,538.12,561.8,657.65,737.3,869.15,1111.11,711.74,687.02,684.93,751.25,623.16,673.65,622.41,617.28,643.66,673.32,689.13,697.13,689.66,719.81,749.38,852.27,690.71,619.98,642.17,584.8,526.09,610.17,471.45,--,397.83,--,--,379.11,321.89,--,357.57, 流动资产周转率(次),1.05,0.67,0.33,1.23,0.82,0.46,0.18,1.14,0.84,0.59,0.26,1.31,0.93,0.66,0.32,1.37,0.99,0.66,0.33,1.22,0.87,0.56,0.23,1.07,0.97,0.61,0.3,1.38,0.79,0.83,--,1.97,--,2.01,1.95,2.09,1.89,176.23, 流动资产周转天数(天),256.8,268.06,274.89,293.3,328.19,394.56,503.64,314.49,322.62,303.49,345.36,274.81,290.32,271.74,277.61,261.86,272.51,273.6,274.39,294.29,311.02,320.57,391.13,337.14,277.24,295.52,303.44,261.08,343.21,217.37,--,182.47,--,179.38,184.25,172.25,190.13,2.04, 经营现金净流量对销售收入比率(%),0.14,0.07,0.01,0.15,0.21,0.04,0.21,0.27,0.23,0.28,0.27,0.14,0.17,0.11,0.02,0.14,0.14,0.12,0.17,0.08,0.12,0.07,0.34,0.1,0.19,0.21,0.56,0.01,0.11,0.1,0.05,0.16,0.17,0.13,0.12,0.13,0.19,0.14, 资产的经营现金流量回报率(%),0.07,0.02,0,0.08,0.08,0.01,0.02,0.12,0.09,0.08,0.03,0.08,0.07,0.03,0,0.08,0.05,0.03,0.02,0.05,0.05,0.02,0.04,0.04,0.08,0.05,0.09,0,0.04,0.03,--,0.13,--,0.11,0.1,0.12,0.19,0.14, 经营现金净流量与净利润的比率(%),0.9,0.5,0.11,1.05,1.54,0.34,2.51,2.34,2.31,2.38,2.46,1.7,2.33,1.14,0.16,1.66,1.49,1.28,1.62,1.23,1.72,1.4,3.17,0.7,1.22,1.34,4.68,0.07,0.98,0.8,0.45,1.22,1.45,1.13,0.95,0.95,1.8,1.97, 经营现金净流量对负债比率(%),0.21,0.07,0.01,0.21,0.19,0.02,0.04,0.31,0.37,0.48,0.2,0.5,0.45,0.19,0.01,0.53,0.33,0.18,0.13,0.32,0.31,0.11,0.16,0.17,0.2,0.13,0.34,0.02,0.1,0.06,--,0.25,--,0.21,0.17,0.21,0.31,0.2, 现金流量比率(%),22.4,7.53,0.73,24.52,26.67,2.71,5.45,46.49,41.41,55.79,23.54,57.74,51.5,21.45,1.37,59.86,35.75,19.74,14.56,34.34,34.93,12.6,17.36,18.91,22.09,14.61,37.21,1.76,12.23,7.45,--,29.36,--,24.98,21.1,23.05,31.41,20.96,