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),4.68,3.19,1.48,6.43,5.08,3.19,1.42,7.56,--,3.46,--,--,--,--, 应收账款周转天数(天),57.73,56.51,60.68,55.98,53.17,56.36,63.32,47.61,--,51.99,--,--,--,--, 存货周转率(次),1.17,0.73,0.33,1.92,1.46,1.01,0.44,2.46,--,1.36,--,2.99,2.94,1.82, 固定资产周转率(次),--,1.2,--,2.46,--,--,0.49,--,--,--,--,--,--,1.1, 总资产周转率(次),0.28,0.17,0.07,0.41,0.31,0.26,0.1,0.66,--,--,--,--,--,1.1, 存货周转天数(天),230.53,247.93,273.31,187.5,185.41,177.69,202.47,146.6,--,132.83,--,120.3,122.65,198.09, 总资产周转天数(天),974.03,1089.59,1363.64,887.57,875.49,701.48,925.93,544.55,--,--,--,--,--,326.23, 流动资产周转率(次),0.4,0.24,0.09,0.58,0.41,0.36,0.14,0.95,--,0.56,--,1.51,1.89,154.73, 流动资产周转天数(天),675.51,764.33,969.83,620.8,663.88,493.96,654.55,378.55,--,319.21,--,238.14,190.34,2.33, 经营现金净流量对销售收入比率(%),0.18,0.29,0.53,0.27,0.23,0.25,0.15,0.48,0.44,0.41,0.49,0.38,0.33,0.23, 资产的经营现金流量回报率(%),0.05,0.05,0.03,0.09,0.06,0.06,0.01,0.28,--,0.15,--,0.34,0.38,0.25, 经营现金净流量与净利润的比率(%),0.55,0.84,1.34,0.74,0.62,0.62,0.36,1.23,1.1,1.03,1.61,1,1.04,0.62, 经营现金净流量对负债比率(%),0.38,0.42,0.34,0.96,0.77,0.46,0.07,1.15,--,0.9,--,1.29,1.08,0.63, 现金流量比率(%),45.96,50.67,43.25,123.08,102.47,57.34,7.85,129.13,--,106.47,--,140.5,113.69,66.31,