报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2015-12-31, 应收账款周转率(次),4.32,3.13,1.54,5.76,4.74,2.98,1.28,7.14,5.64,3.82,--,7.95,--,4.65,7.62,6.17,4.79, 应收账款周转天数(天),62.55,57.43,58.35,62.48,56.99,60.38,70.26,50.45,47.84,47.12,--,45.29,--,38.74,47.23,58.36,75.23, 存货周转率(次),4.04,2.6,1.12,3.66,2.59,1.88,0.81,4.83,3.92,2.85,--,5.02,--,2.88,4.16,5.03,6.16, 固定资产周转率(次),--,35.35,--,47.56,--,22.56,--,52.95,--,28.19,--,--,--,--,--,--,1.6, 总资产周转率(次),0.62,0.41,0.18,0.54,0.39,0.24,0.11,0.8,1.11,0.8,--,1.63,--,--,--,--,1.6, 存货周转天数(天),66.85,69.17,80.25,98.44,104.21,95.64,111.76,74.48,68.91,63.12,--,71.68,--,62.59,86.53,71.6,58.44, 总资产周转天数(天),434.36,440.96,508.19,661.76,688.07,743.8,836.43,448.1,244.08,224.3,--,220.26,--,--,--,--,225.49, 流动资产周转率(次),0.71,0.46,0.2,0.58,0.42,0.26,0.11,0.84,1.2,0.87,--,1.77,--,1.05,1.78,1.9,187.13, 流动资产周转天数(天),378.79,388.6,456.16,616.44,648.73,705.33,805.01,427.4,225.68,206.73,--,203.1,--,171.17,202.71,189.39,1.92, 经营现金净流量对销售收入比率(%),0.04,0.15,0.1,0.17,0.22,0.28,0.17,0.22,0.16,0.14,0.08,0.23,0.1,0.13,0.2,0.2,0.16, 资产的经营现金流量回报率(%),0.02,0.06,0.02,0.08,0.08,0.07,0.02,0.12,0.16,0.1,--,0.32,--,0.12,0.27,0.26,0.25, 经营现金净流量与净利润的比率(%),0.17,0.59,0.36,0.58,0.7,0.89,0.59,0.83,0.58,0.51,0.3,0.94,0.4,0.56,1.2,0.86,1.02, 经营现金净流量对负债比率(%),0.1,0.23,0.08,0.42,0.44,0.39,0.14,0.88,0.59,0.37,--,0.95,--,0.41,0.65,0.66,0.54, 现金流量比率(%),11.02,24.45,8.99,44.91,47.08,41.75,16.17,88.38,58.7,37.42,--,94.68,--,41.18,64.58,67.62,54.31,