报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),3.79,2.45,1.13,4.97,3.63,2.35,1.07,4.86,3.63,2.51,1.25,5.22,3.9,2.43,1.22,5.3,3.93,2.8,1.43,5.78,--,--,--,5,2.26,5.13,5.05,4.52, 应收账款周转天数(天),71.21,73.6,79.82,72.46,74.48,76.51,83.94,74.14,74.48,71.77,72.1,68.97,69.21,74.01,73.73,67.88,68.65,64.31,62.97,62.3,--,--,--,71.95,79.54,70.2,71.22,79.62, 存货周转率(次),1.6,1.06,0.43,2.03,1.48,0.96,0.44,2.04,1.6,1.04,0.49,2.41,1.84,1.21,0.59,2.79,2.07,1.39,0.62,2.7,--,--,--,2.03,0.97,1.95,1.69,1.28, 固定资产周转率(次),--,1.56,--,2.79,--,1.38,--,2.2,--,0.94,--,2.05,--,1.01,--,2.12,--,0.99,0.47,2.24,--,--,--,1.82,--,--,--,0.38, 总资产周转率(次),0.4,0.29,0.13,0.61,0.48,0.32,0.16,0.57,0.39,0.26,0.12,0.56,0.47,0.3,0.15,0.72,0.53,0.33,0.18,0.75,--,--,--,0.55,0.27,0.53,--,0.38, 存货周转天数(天),168.48,170.55,207.23,177.51,182,187.21,202.98,176.78,168.29,172.71,185.19,149.59,146.6,148.26,153.82,129.02,130.28,129.51,145.3,133.31,--,--,--,177.36,185.05,184.45,213.17,281.78, 总资产周转天数(天),667.16,628.71,707.55,592.11,558.31,565.5,559.7,634.92,691.24,705.05,748.75,644.12,577.91,606.47,601.2,499.86,510.2,553.68,505.9,478.85,--,--,--,654.31,676.69,685.58,--,947.37, 流动资产周转率(次),0.76,0.6,0.26,1.14,0.88,0.57,0.29,0.96,0.66,0.44,0.2,0.97,0.89,0.56,0.29,1.47,1.11,0.62,0.39,1.69,--,--,--,1.41,0.71,1.38,1.22,94.18, 流动资产周转天数(天),357.1,299.45,347.22,315.04,306.12,317.07,312.07,376.69,412.21,410.77,449.78,371.9,302.15,321.37,307.06,244.17,244.32,290.93,233.58,213.32,--,--,--,255.37,253.49,261.76,296.13,3.82, 经营现金净流量对销售收入比率(%),0.09,0.04,-0.09,-0.04,-0.11,-0.16,-0.26,0.11,0.19,0.1,-0,0.01,-0.04,-0.04,-0.05,0.07,0.06,0.06,-0.06,0.14,0.13,0.15,-0.07,0.13,0.01,0.11,0.13,0.11, 资产的经营现金流量回报率(%),0.03,0.01,-0.01,-0.02,-0.05,-0.05,-0.04,0.06,0.08,0.03,-0,0,-0.02,-0.01,-0.01,0.05,0.03,0.02,-0.01,0.09,--,--,--,0.07,0,0.05,0.06,0.04, 经营现金净流量与净利润的比率(%),1.18,0.53,-1.87,-0.32,-0.88,-2.15,-3.77,1.48,3.39,2.5,-0.04,0.09,-0.39,-0.54,-0.52,0.62,0.65,0.73,-0.74,1.13,1.1,1.79,-0.99,1.58,0.14,1.57,1.32,1.89, 经营现金净流量对负债比率(%),0.06,0.02,-0.02,-0.04,-0.1,-0.09,-0.08,0.12,0.14,0.05,-0,0.01,-0.03,-0.02,-0.02,0.13,0.09,0.04,-0.02,0.17,--,--,--,0.12,0.01,0.09,0.11,0.07, 现金流量比率(%),9.46,2.31,-2.57,-4.21,-11.24,-10.46,-9.05,14.16,15.05,5.53,-0.06,0.66,-3.64,-3.34,-2.54,20.89,16.06,5.97,-3,25.35,--,--,--,19.56,1.11,15,12.72,7.51,