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),2.45,1.63,0.79,3.5,2.15,1.33,0.51,3.45,--,1.33,--,--,--,--, 应收账款周转天数(天),110.14,110.76,113.74,102.76,125.39,135.46,175.82,104.28,--,135.45,--,--,--,--, 存货周转率(次),5.59,3.91,1.69,6.82,5.25,3.77,1.23,7.66,--,4.34,--,7.6,7.06,6.8, 固定资产周转率(次),--,5.17,--,7.6,--,--,1.07,--,--,--,--,--,--,1.17, 总资产周转率(次),0.7,0.49,0.21,0.95,0.69,0.5,0.18,1.12,--,--,--,--,--,1.17, 存货周转天数(天),48.31,45.98,53.18,52.8,51.47,47.69,72.94,47.01,--,41.52,--,47.34,50.96,52.93, 总资产周转天数(天),385.55,365.63,424.93,380.35,392.16,358.78,511.07,320.86,--,--,--,--,--,308.75, 流动资产周转率(次),0.85,0.59,0.26,1.18,0.86,0.66,0.24,1.51,--,0.74,--,1.58,1.54,147.07, 流动资产周转天数(天),317.39,305.29,351.43,305.21,314.76,273.35,380.39,238.96,--,241.64,--,227.8,233.18,2.45, 经营现金净流量对销售收入比率(%),-0,-0,-0.12,0.07,-0.01,-0.06,-0.26,0.13,0,-0.05,-0.14,0.04,0.1,0.08, 资产的经营现金流量回报率(%),-0,-0,-0.02,0.06,-0.01,-0.03,-0.05,0.14,--,-0.03,--,0.05,0.12,0.1, 经营现金净流量与净利润的比率(%),-0.04,-0.03,-2.1,0.71,-0.1,-0.72,-3.18,1.31,0.03,-0.56,-1.75,0.62,2.04,2.06, 经营现金净流量对负债比率(%),-0,-0,-0.05,0.12,-0.01,-0.05,-0.09,0.23,--,-0.04,--,0.07,0.16,0.13, 现金流量比率(%),-0.36,-0.27,-5.47,12.46,-1.27,-5.47,-9.46,23.25,--,-4.23,--,6.97,16.43,12.72,