报告日期,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),92.67,160.84,88.49,55.84,18.57,123.18,--,24.89,--,--,--,--, 应收账款周转天数(天),0.97,2.24,3.05,3.22,4.85,2.92,--,7.23,--,--,--,--, 存货周转率(次),4.89,42.23,31.51,18.61,8.17,40.23,--,19.57,--,51.13,47.86,24.19, 固定资产周转率(次),--,7.31,--,3.71,--,--,--,--,--,--,--,3.19, 总资产周转率(次),0.23,1.31,1.03,0.65,0.46,2.86,--,--,--,--,--,3.19, 存货周转天数(天),18.42,8.53,8.57,9.67,11.01,8.95,--,9.2,--,7.04,7.52,14.88, 总资产周转天数(天),390.79,273.79,262.7,278.55,197.46,126.06,--,--,--,--,--,112.97, 流动资产周转率(次),0.58,3.13,2.29,1.22,0.94,6.34,--,3.35,--,8.4,9.05,685.45, 流动资产周转天数(天),155.52,115.09,118.13,147.99,96.02,56.75,--,53.72,--,42.86,39.79,0.53, 经营现金净流量对销售收入比率(%),-0.01,0.03,0.03,-0.02,-0.1,0.1,0.08,0.04,0.01,0.05,0.05,0.05, 资产的经营现金流量回报率(%),-0,0.03,0.03,-0.01,-0.05,0.25,--,0.06,--,0.18,0.17,0.16, 经营现金净流量与净利润的比率(%),-0.28,2.28,1.58,-0.52,-2.23,1.36,1.07,0.65,0.26,0.96,0.87,0.61, 经营现金净流量对负债比率(%),-0.03,0.33,0.21,-0.09,-0.24,1.54,--,0.4,--,0.98,0.75,0.49, 现金流量比率(%),-3.5,35.08,21.94,-15.92,-56.7,218.24,--,46.66,--,112.24,85.29,54.18,