报告日期,2020-12-31,2020-09-30,2020-06-30,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2017-12-31,2016-12-31, 应收账款周转率(次),6.98,6.01,3.2,5.78,--,3.21,9.89,13.48,12.16, 应收账款周转天数(天),51.56,44.89,56.27,62.27,--,56,36.41,26.72,29.61, 存货周转率(次),2.17,1.64,1.07,1.58,--,0.77,1.74,2.19,2.8, 固定资产周转率(次),3.9,--,1.61,2.07,--,1.13,2.75,2.86,0.66, 总资产周转率(次),0.38,0.27,0.24,0.39,--,0.23,0.68,0.83,0.66, 存货周转天数(天),166.07,164.89,167.69,227.33,--,232.32,206.69,164.08,128.42, 总资产周转天数(天),956.94,982.18,750.63,922.6,--,772.2,529.26,433.58,546.03, 流动资产周转率(次),0.51,0.37,0.38,0.58,--,0.33,0.98,1.27,101.73, 流动资产周转天数(天),707.41,730.12,478.21,619.2,--,544.79,368.93,283.64,3.54, 经营现金净流量对销售收入比率(%),0.47,0.59,0.33,0.31,0.33,0.27,0.48,0.53,0.57, 资产的经营现金流量回报率(%),0.13,0.12,0.07,0.11,--,0.06,0.29,0.36,0.37, 经营现金净流量与净利润的比率(%),0.89,1.12,0.64,0.64,0.66,0.5,0.9,1.05,1.19, 经营现金净流量对负债比率(%),0.99,0.81,0.4,0.61,--,0.39,1,1.3,1.23, 现金流量比率(%),112.98,89.7,47.74,74.71,--,51.04,113.63,154.84,155.68,