报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2017-12-31,2016-12-31, 应收账款周转率(次),36.94,17.6,11.13,27.09,21.5,9.75,3.84,14.49,--,5.14,--,8.02,--,4.45,1.48, 应收账款周转天数(天),7.31,10.23,8.09,13.29,12.56,18.46,23.46,24.85,--,34.99,--,44.91,--,80.98,243.33, 存货周转率(次),3.87,2.53,1.62,6.51,3.48,2.91,1.18,9.35,--,4.88,--,13.16,--,23.22,6.44, 固定资产周转率(次),--,26.72,--,63.11,--,23.84,--,72.38,--,38.62,--,89.86,--,74.94,0.7, 总资产周转率(次),0.44,0.28,0.14,0.92,0.62,0.39,0.15,2.6,1.91,1.33,--,3.24,--,2.58,0.7, 存货周转天数(天),69.79,71.14,55.62,55.31,77.49,61.85,75.99,38.49,--,36.88,--,27.36,--,15.5,55.9, 总资产周转天数(天),608.66,649.12,650.29,389.82,436.68,458.95,613.92,138.72,141.19,135.07,--,110.99,--,139.28,513.7, 流动资产周转率(次),0.62,0.37,0.18,1.15,0.83,0.49,0.16,2.78,--,1.41,--,3.44,--,2.7,73.25, 流动资产周转天数(天),437.89,487.54,490.46,312.47,327.07,365.85,565.33,129.42,--,127.7,--,104.7,--,133.45,4.91, 经营现金净流量对销售收入比率(%),0.3,0.38,0.39,0.34,0.47,0.48,0.39,0.18,0.23,0.25,0.19,0.14,0.18,0.04,-0.28, 资产的经营现金流量回报率(%),0.12,0.1,0.05,0.19,0.18,0.12,0.04,0.38,0.37,0.28,--,0.33,--,0.07,-0.19, 经营现金净流量与净利润的比率(%),1.13,1.36,1.38,1.11,1.54,1.87,1.89,0.97,1.21,1.37,1.21,1.38,2.14,0.65,--, 经营现金净流量对负债比率(%),0.86,0.63,0.57,2.07,1.31,0.94,0.61,1.58,1.17,0.64,--,0.74,--,0.13,-0.44, 现金流量比率(%),87.93,63.99,59.4,211.27,132.36,94.13,60.98,157.93,--,63.9,--,73.53,--,13.05,-43.8,