报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-03-31,2017-12-31,2016-12-31, 应收账款周转率(次),27.64,19.4,10.89,39.19,27.32,16.02,8.4,40.91,36.46,23.47,--,52.77,--,--,47.89,26.83, 应收账款周转天数(天),9.77,9.28,8.26,9.19,9.88,11.24,10.72,8.8,7.41,7.67,--,6.82,--,--,7.52,13.42, 存货周转率(次),4.18,2.61,1.37,6.46,4.46,2.67,1.11,6.54,4.86,3.19,--,6.96,--,--,7.87,5.75, 固定资产周转率(次),--,30.72,--,49.62,--,17.87,--,35.46,--,15.01,--,57.68,--,--,188.22,1.72, 总资产周转率(次),1.29,0.86,0.42,1.73,1.22,0.75,0.32,1.8,1.32,1,0.5,2.37,--,--,2.59,1.72, 存货周转天数(天),64.66,69.04,65.85,55.72,60.52,67.52,81.14,55.09,55.6,56.36,--,51.73,--,--,45.75,62.66, 总资产周转天数(天),208.75,209.69,214.85,208.3,221.4,239.65,283.46,199.53,204.7,179.43,179.6,151.83,--,--,139.17,208.79, 流动资产周转率(次),1.48,0.98,0.48,1.96,1.38,0.86,0.37,2.11,1.57,1.22,--,2.82,--,--,2.89,183.67, 流动资产周转天数(天),182.72,183.69,189.47,183.22,194.97,208.38,246.04,170.45,172.47,147.06,--,127.66,--,--,124.45,1.96, 经营现金净流量对销售收入比率(%),0.04,-0.01,-0,0.11,0.11,-0.03,-0.17,0.16,0.14,0.08,-0.02,0.09,0.05,0.01,0.08,0.05, 资产的经营现金流量回报率(%),0.05,-0.01,-0,0.17,0.12,-0.02,-0.05,0.23,0.15,0.08,-0.01,0.2,--,--,0.17,0.09, 经营现金净流量与净利润的比率(%),0.52,-0.14,-0.03,1.61,1.43,-0.42,-2.68,2.25,1.79,1.03,-0.32,3.17,4.69,0.63,2.22,7.21, 经营现金净流量对负债比率(%),0.09,-0.02,-0,0.28,0.21,-0.04,-0.1,0.43,0.31,0.14,-0.02,0.32,--,--,0.27,0.13, 现金流量比率(%),10.75,-1.89,-0.18,31.84,23.64,-5.19,-12.21,49.54,37.06,16.82,--,37.99,--,--,30.12,13.75,