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),3.92,2.81,1.42,5.67,4.14,2.47,1.06,6.4,--,2.3,--,--,--,--,--, 应收账款周转天数(天),68.85,63.97,63.47,63.5,65.17,72.86,84.99,56.23,--,78.18,--,--,--,--,--, 存货周转率(次),1.37,1.13,0.51,1.69,1.31,0.79,0.29,1.71,--,1.04,--,1.84,--,1.93,1.85, 固定资产周转率(次),--,1.22,--,2.33,--,1.38,--,--,--,--,--,--,--,--,0.52, 总资产周转率(次),0.35,0.3,0.13,0.55,0.43,0.27,0.1,0.66,--,0.38,--,--,--,--,0.52, 存货周转天数(天),196.76,158.7,176.33,212.82,206.82,227.07,310.88,210.95,--,173.44,--,195.81,--,186.8,194.1, 总资产周转天数(天),779.9,594.65,687.55,656.69,621.55,664.45,867.05,548.36,--,476.82,--,--,--,--,691.64, 流动资产周转率(次),0.64,0.58,0.25,0.96,0.75,0.42,0.16,1.03,--,0.58,--,1.11,--,1.04,87.18, 流动资产周转天数(天),420.36,310.88,356.44,373.72,358.76,427.76,555.9,350.88,--,311.04,--,324.85,--,345.89,4.13, 经营现金净流量对销售收入比率(%),-0.13,0.01,-0.17,-0.09,-0.38,-0.42,-0.44,-0.02,-0.13,-0.19,-0.19,0.09,-0.03,0.04,0.06, 资产的经营现金流量回报率(%),-0.04,0,-0.02,-0.04,-0.14,-0.1,-0.04,-0.01,-0.06,-0.07,--,0.06,--,0.02,0.03, 经营现金净流量与净利润的比率(%),-1.44,0.1,-1.62,-0.94,-3.6,-3.8,-4.53,-0.17,-1.65,-2.61,-2.55,1.05,-0.43,0.47,1.09, 经营现金净流量对负债比率(%),-0.07,0,-0.04,-0.07,-0.26,-0.19,-0.1,-0.02,-0.1,-0.12,--,0.1,--,0.03,0.04, 现金流量比率(%),-8.33,0.52,-5.25,-10.13,-42.1,-25.8,-10.08,-1.67,--,-12.06,--,9.68,--,3.18,4.32,