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, 应收账款周转率(次),7.09,4.58,1.38,5.93,2.99,1.57,--,2.81,--,--,--,--,--,--, 应收账款周转天数(天),38.07,39.31,65.24,60.68,90.24,114.54,--,128.25,--,--,--,--,--,--, 存货周转率(次),3.86,2.59,0.98,10.17,5.27,4.23,--,8.04,--,--,--,9.18,10.68,4.82, 固定资产周转率(次),--,3.54,--,11.54,--,4.74,--,--,--,--,--,--,--,0.79, 总资产周转率(次),0.38,0.23,0.07,0.89,0.55,0.49,0.14,1.01,--,--,--,--,--,0.79, 存货周转天数(天),69.92,69.45,91.68,35.4,51.22,42.59,--,44.76,--,--,--,39.21,33.72,74.63, 总资产周转天数(天),718.85,782.27,1248.27,404.59,486.93,367.65,656.46,357.68,--,--,--,--,--,453.51, 流动资产周转率(次),0.43,0.26,0.08,1.02,0.63,0.58,0.16,1.19,--,--,0.2,1.36,1.68,108.31, 流动资产周转天数(天),622.26,688.07,1111.11,354.61,425.4,308.32,546.78,301.86,--,--,453.17,263.79,214.23,3.32, 经营现金净流量对销售收入比率(%),-0.1,0.05,0.63,0.13,0.11,0.05,-0.08,0.11,0.02,-0.06,-0.16,0.05,0.07,-0.17, 资产的经营现金流量回报率(%),-0.04,0.01,0.05,0.09,0.05,0.02,-0.01,0.11,--,--,-0.03,0.05,0.09,-0.13, 经营现金净流量与净利润的比率(%),-3.17,1.41,13.79,1.43,1.15,0.56,-1.52,1.56,0.24,-0.94,-3.1,1.03,2.74,-3.68, 经营现金净流量对负债比率(%),-0.08,0.03,0.12,0.19,0.1,0.03,-0.02,0.17,--,--,-0.04,0.07,0.18,-0.23, 现金流量比率(%),-8.56,2.64,11.89,19.22,10.77,3.57,-1.66,17.66,--,--,-4.06,7.13,17.83,-30.51,