报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2017-12-31,2016-12-31, 应收账款周转率(次),8.05,5.56,2.59,11.49,8.82,5.06,--,12.98,--,7.17,--,14.45,--,18.32,27.29, 应收账款周转天数(天),33.56,32.37,34.72,31.35,30.61,35.58,--,27.73,--,25.09,--,24.92,--,19.65,13.19, 存货周转率(次),1.77,1.22,0.58,2.81,1.8,1.33,--,3.56,--,2.34,--,4.14,--,3.69,3.35, 固定资产周转率(次),--,2.81,--,5.65,--,2.55,--,6.05,--,2.89,--,5.46,--,4.28,0.81, 总资产周转率(次),0.12,0.08,0.04,0.24,0.17,0.23,0.08,0.69,0.5,0.35,0.14,0.93,--,0.92,0.81, 存货周转天数(天),152.3,147.52,154.06,128.34,149.78,135.04,--,101.17,--,76.8,--,86.96,--,97.47,107.53, 总资产周转天数(天),2337.66,2319.59,2500,1479.65,1600.47,780.57,1182.65,525.01,544.79,515.91,635.59,386.14,--,391.77,444.39, 流动资产周转率(次),0.12,0.08,0.04,0.26,0.18,0.27,--,0.79,--,0.41,--,1.16,--,1.21,109.63, 流动资产周转天数(天),2213.11,2195.12,2362.2,1383.55,1495.84,672.65,--,456.39,--,444.12,--,310.88,--,298.26,3.28, 经营现金净流量对销售收入比率(%),0.35,0.33,0.11,0.32,0.19,0.19,-0.34,0.27,0.19,0.27,0.05,0.29,0.31,0.21,0.28, 资产的经营现金流量回报率(%),0.04,0.03,0,0.05,0.02,0.04,-0.03,0.14,0.08,0.08,0.01,0.24,--,0.18,0.23, 经营现金净流量与净利润的比率(%),0.87,0.88,0.29,1.04,0.73,0.76,-3.09,0.86,0.63,0.98,0.21,1.03,1.19,1.05,1.14, 经营现金净流量对负债比率(%),1.15,0.43,0.12,1.59,0.77,0.41,-0.22,1.17,0.65,0.61,0.05,1.23,--,0.76,0.69, 现金流量比率(%),123.99,44.94,15.05,165.21,79.8,42.7,--,119.86,--,62.51,--,125.93,--,77.7,70.82,