报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),14.53,11.06,7.62,17.36,8.35,6.98,4.06,22.77,11.96,9.06,--,24.93,--,10.51,6.17,22.4,8.26,3.7,1.49,9.86,6.75,6.03,2.52,10.02,8.24,5.71,3.11,14.28,--,--,4.36,22.87,31.48,31.56, 应收账款周转天数(天),18.59,16.27,11.82,20.74,32.32,25.78,22.17,15.81,22.57,19.87,--,14.44,--,17.13,14.59,16.07,32.68,48.67,60.45,36.53,40.03,29.84,35.7,35.93,32.77,31.5,28.95,25.21,--,--,20.65,15.74,11.44,11.41, 存货周转率(次),1.56,1.1,0.66,2.12,1.32,0.93,0.53,2.33,1.41,1.01,0.63,2.4,1.74,1.27,0.67,2.99,1.67,0.95,0.44,1.98,1.43,0.97,0.35,1.27,1.09,0.73,0.45,1.66,--,--,0.49,1.84,1.55,1.21, 固定资产周转率(次),--,1.13,--,1.64,--,0.7,--,1.98,--,0.82,--,1.87,--,0.83,--,2.61,--,0.56,--,8.08,--,3.85,--,5.51,--,3.26,--,7.94,--,--,2.42,--,--,0.82, 总资产周转率(次),0.29,0.21,0.15,0.27,0.15,0.11,0.06,0.31,0.19,0.13,0.09,0.31,0.2,0.14,0.08,0.39,0.2,0.09,0.06,0.35,0.25,0.18,0.06,0.33,0.27,0.2,0.14,0.61,--,--,0.18,0.85,--,0.82, 存货周转天数(天),172.94,163.18,135.77,169.61,204.08,192.84,170.42,154.22,191.08,177.44,143.88,149.97,155.08,142.25,134.81,120.52,161.49,190.03,205.25,181.42,189.42,185.38,256.56,284.52,248.44,248.1,199.47,217.09,--,--,183.22,195.67,232.11,296.66, 总资产周转天数(天),940.11,853.89,608.52,1325.48,1744.19,1693.32,1386.75,1149.43,1389.6,1335.31,1023.89,1171.88,1350.68,1285.71,1072.71,923.55,1364.33,2095.46,1412.87,1015.51,1076.98,1025.64,1449.28,1105.99,994.84,917.43,624.13,588.81,--,--,489.93,425.99,--,438.17, 流动资产周转率(次),0.87,0.64,0.4,0.85,0.55,0.38,0.23,1.11,0.74,0.51,0.32,1.16,0.84,0.6,0.34,1.29,0.72,0.29,0.1,0.49,0.31,0.22,0.08,0.4,0.33,0.24,0.18,0.74,--,--,0.22,0.99,1.07,92.79, 流动资产周转天数(天),310.17,279.2,224.16,425.23,492.43,469.48,390.79,324.41,362.51,356.29,283.11,309.33,319.68,302.06,262.09,279.63,376.41,610.38,911.85,739.98,859.6,818.55,1161.29,889.55,808.14,754.4,488.07,484.78,--,--,418.6,363.97,337.27,3.88, 经营现金净流量对销售收入比率(%),0.14,0.08,-0.07,0.17,0.15,0.12,-0.28,0.19,0.17,0.17,-0.22,0.21,0.27,0.26,-0.07,0.25,0.25,0.46,-0.05,0.15,0.16,0.17,-0.17,0.26,0.19,0.35,0.46,0.15,0.11,0.07,0.09,0.17,0.14,0.23, 资产的经营现金流量回报率(%),0.04,0.02,-0.01,0.05,0.02,0.01,-0.02,0.06,0.03,0.02,-0.02,0.06,0.06,0.04,-0.01,0.06,0.03,0.02,-0,0.05,0.04,0.03,-0.01,0.07,0.04,0.06,0.07,0.09,--,--,0.02,0.14,0.13,0.19, 经营现金净流量与净利润的比率(%),1.31,0.57,-0.35,--,--,10.87,-3.05,1.48,1.49,1.38,-1.2,1.3,2.49,2.18,-0.39,1.48,2.46,4.35,--,1,1.2,1.1,-1.89,1.32,0.97,1.61,2.1,0.82,0.6,0.37,0.52,0.82,0.64,0.98, 经营现金净流量对负债比率(%),0.25,0.1,-0.06,0.31,0.19,0.11,-0.15,0.41,0.28,0.22,-0.15,0.39,0.43,0.27,-0.04,0.3,0.21,0.05,-0.02,0.31,0.22,0.21,-0.09,0.63,0.45,0.47,0.35,0.4,--,--,0.05,0.51,0.29,0.3, 现金流量比率(%),30.77,12.78,-7.25,37.73,24.96,14.58,-19.88,50.71,38.61,30.74,-20.2,48.85,60.02,36.43,-5.09,37.35,22.94,5.31,-1.92,31.35,22.01,21.6,-8.99,64.65,45.88,47.39,35.32,40.22,--,--,5.36,51.37,29.6,30.06,