报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2014-06-30,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),2.88,2.09,1.11,4.33,2.86,1.82,0.87,3.62,2.75,1.82,0.88,3.39,2.7,1.79,0.85,3.62,2.76,1.82,0.76,3.17,--,1.33,--,4.1,4.37,2.03,4.55,6.68,4.15, 应收账款周转天数(天),93.7,86.09,80.91,83.15,94.47,99.11,103.93,99.36,98.21,98.81,102.62,106.05,99.89,100.75,106.12,99.43,97.69,99.17,117.96,113.5,--,135.61,--,87.74,82.42,88.78,79.13,53.87,86.66, 存货周转率(次),3.39,1.63,0.91,4.66,3.58,1.99,1.02,4.19,3.24,2.01,0.9,4.17,4.13,2.17,1,5.21,3.91,2.85,1.04,5.36,--,2.12,--,7.81,6.41,2.61,4.18,5.65,2.84, 固定资产周转率(次),--,1.22,--,4.07,--,1.86,--,3.84,--,1.77,--,3.5,--,1.73,--,3.61,--,1.94,--,3.84,--,--,--,--,--,--,--,--,0.88, 总资产周转率(次),0.48,0.27,0.14,0.77,0.57,0.38,0.17,0.79,0.59,0.37,0.17,0.68,0.56,0.33,0.14,0.77,0.57,0.38,0.2,0.93,--,0.34,--,1.32,--,0.6,--,--,0.88, 存货周转天数(天),79.69,110.17,98.81,77.25,75.32,90.34,87.93,85.94,83.24,89.56,99.66,86.34,65.35,83.01,89.68,69.1,69.12,63.12,86.15,67.16,--,84.84,--,46.08,56.12,68.87,86.03,63.69,126.6, 总资产周转天数(天),559.35,665.19,648.88,468.93,475.52,478.6,523.26,457.78,458.17,493.15,526.93,526.09,483.61,545.79,654.07,467.53,474.52,471.7,445.54,388.27,--,526.32,--,272.95,--,301.81,--,--,409.09, 流动资产周转率(次),0.87,0.48,0.24,1.31,0.94,0.65,0.3,1.29,0.96,0.59,0.27,1,0.77,0.45,0.19,1.1,0.81,0.54,0.32,1.46,--,0.55,--,2.02,1.88,0.85,1.55,2.32,142.67, 流动资产周转天数(天),311.53,372.29,369,274.2,288.22,275.19,303.13,279.72,280.9,304.67,330.4,360.04,352.07,398.94,480.51,326.71,334.86,334.01,277.18,246.37,--,330.03,--,178.45,191.78,211.74,232.24,154.96,2.52, 经营现金净流量对销售收入比率(%),0.03,0.13,0.39,0.12,0.09,0.12,0.15,0.14,0.1,0.08,0.13,0.01,-0.04,-0.03,0.01,0.09,0.12,0.14,0.1,0.16,0.11,0.3,0.85,0.2,0.18,0.19,0.23,0.09,0.07, 资产的经营现金流量回报率(%),0.02,0.04,0.05,0.08,0.04,0.04,0.03,0.11,0.06,0.03,0.02,0.01,-0.02,-0.01,0,0.05,0.05,0.04,0.02,0.14,--,0.1,--,0.25,0.2,0.1,0.28,0.1,0.06, 经营现金净流量与净利润的比率(%),--,--,19.85,3.23,2.33,2.83,8.8,2.15,1.81,1.95,5.34,0.12,-0.53,-0.43,0.54,0.76,1,1.14,0.95,0.91,0.7,2.13,6.37,1.16,0.8,0.63,1.17,0.46,0.56, 经营现金净流量对负债比率(%),0.04,0.09,0.15,0.21,0.12,0.16,0.12,0.46,0.26,0.11,0.09,0.02,-0.16,-0.06,0.02,0.44,0.49,0.42,0.12,0.76,--,0.48,--,1.15,0.89,0.44,1.29,0.2,0.09, 现金流量比率(%),7.86,18.08,29.95,41.12,21.53,18.36,13.77,55.27,33.3,13.3,10.96,1.75,-16.3,-6.51,1.9,46.94,53.03,45.88,13.05,80.58,--,51.06,--,122.3,97.76,48.32,149.09,20.33,9.64,