报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),2.02,1.3,0.62,3.13,2.3,1.47,0.69,4.1,--,1.19,--,--,--,2.67,2.98,2.94, 应收账款周转天数(天),133.76,138.78,145.14,115.09,117.35,122.85,130.79,87.79,--,150.65,--,--,--,134.9,120.81,122.54, 存货周转率(次),6.22,3.82,1.45,9.69,5.32,3.42,1.74,16.07,--,8.17,--,14.52,12.1,7.7,7.53,9.41, 固定资产周转率(次),--,0.85,--,2.47,--,1.24,0.54,--,--,--,--,--,--,--,--,0.58, 总资产周转率(次),0.32,0.21,0.09,0.62,0.46,0.33,0.14,1.08,--,--,--,--,--,--,--,0.58, 存货周转天数(天),43.44,47.16,62.1,37.15,50.79,52.68,51.87,22.4,--,22.04,--,24.8,29.75,46.73,47.79,38.26, 总资产周转天数(天),856.6,846.66,994.48,585.27,590.55,549.79,624.13,334.63,--,--,--,--,--,--,--,617.81, 流动资产周转率(次),0.52,0.33,0.14,0.94,0.68,0.52,0.23,1.62,--,0.78,--,1.45,1.52,1.42,1.28,115.61, 流动资产周转天数(天),522.24,540.87,643.32,383.51,397.41,348.63,399.64,222.24,--,229.91,--,247.71,237.04,254.22,282.22,3.11, 经营现金净流量对销售收入比率(%),0.05,0.18,0.81,-0.06,-0.03,0.12,0.19,0.1,-0.02,-0.15,-0.01,0.24,0.11,0.02,0.23,0.12, 资产的经营现金流量回报率(%),0.02,0.04,0.07,-0.03,-0.01,0.04,0.03,0.1,--,-0.07,--,0.21,0.09,0.01,0.15,0.07, 经营现金净流量与净利润的比率(%),--,--,--,-2.73,-0.55,1.63,4.45,1.31,-0.29,-2.01,-0.12,2.67,0.89,0.24,--,6.18, 经营现金净流量对负债比率(%),0.03,0.08,0.18,-0.08,-0.03,0.07,0.05,0.17,--,-0.12,--,0.38,0.17,0.02,0.23,0.11, 现金流量比率(%),3.78,8.69,19.17,-8.35,-3.13,7.59,5.16,18.87,--,-12.71,--,38.6,17.21,2.06,24.83,12.01,