报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),3.1,2.24,1.08,3.98,2.86,1.8,0.94,3.84,2.98,1.93,0.88,4.42,3.86,2.51,1.18,5.06,3.92,2.87,--,5.91,--,5.57,5.23,4.51, 应收账款周转天数(天),87.18,80.26,83.08,90.39,94.41,100.23,95.46,93.77,90.68,93.14,102.25,81.54,69.86,71.67,75.99,71.19,68.87,62.65,--,60.92,--,64.59,68.82,79.77, 存货周转率(次),3.24,2.48,1.32,5.21,3.26,2.27,1.01,5.22,3.57,2.49,1.07,5.14,3.51,2.52,1.14,4.22,2.94,2.17,--,3.8,--,3.47,4.31,3.58, 固定资产周转率(次),--,4.92,--,13.1,--,4.94,--,9.66,--,4.09,--,9.85,--,5.3,--,11.58,8.63,6.04,--,13.81,--,12.62,--,1.21, 总资产周转率(次),0.79,0.53,0.27,0.98,0.66,0.42,0.19,0.89,0.63,0.41,0.18,0.91,0.68,0.48,0.23,1.12,1,0.7,--,1.5,--,1.41,1.48,1.21, 存货周转天数(天),83.42,72.62,68.36,69.03,82.83,79.22,89.2,68.92,75.72,72.23,84.41,70.09,76.91,71.5,78.81,85.35,91.7,82.84,--,94.86,--,103.84,83.54,100.45, 总资产周转天数(天),343.08,338.47,335.2,367.95,406.57,430,480.51,405.54,429.25,441.93,508.19,396,397.41,374.22,383.96,320.57,270.51,257.51,--,239.98,--,254.89,243.77,296.69, 流动资产周转率(次),1.07,0.73,0.36,1.31,0.89,0.57,0.25,1.14,0.8,0.52,0.22,1.1,0.81,0.58,0.28,1.35,1.26,0.88,--,1.87,--,1.78,1.95,168.03, 流动资产周转天数(天),252.55,247.42,247.87,274.77,302.08,315.73,354.75,316.43,335.78,347.22,404.13,328.77,332.14,312.34,322.47,265.86,214.99,204.87,--,192.88,--,202,184.33,2.14, 经营现金净流量对销售收入比率(%),0.02,0.05,-0.09,0.06,0.02,0.06,-0.09,0.07,0.05,0.05,0.12,0.14,0.18,0.17,0.03,0.11,0.09,0.03,-0.17,0.1,0.15,0.07,0.07,0.09, 资产的经营现金流量回报率(%),0.02,0.03,-0.02,0.06,0.01,0.03,-0.02,0.06,0.03,0.02,0.02,0.13,0.13,0.09,0.01,0.1,0.09,0.02,--,0.12,--,0.08,0.09,0.11, 经营现金净流量与净利润的比率(%),0.27,0.57,-0.82,0.85,0.31,0.7,-1.86,1.37,1.21,1.03,2.71,1.77,2.19,1.72,0.25,1.05,0.82,0.27,-1.32,0.94,1.32,0.69,1.16,1.65, 经营现金净流量对负债比率(%),0.04,0.07,-0.07,0.15,0.04,0.09,-0.06,0.19,0.11,0.07,0.07,0.43,0.4,0.27,0.02,0.26,0.14,0.03,--,0.17,--,0.11,0.12,0.17, 现金流量比率(%),4.26,8.17,-7.74,17.15,5.35,11.43,-7.86,22.79,14.17,9.04,9.44,54.42,47.42,31.99,2.58,29.47,15.55,3.68,--,19.12,--,11.87,13.44,17.96,