报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),3.79,2.59,1.36,5.41,3.66,2.39,1.12,5.4,3.64,2.42,1.15,5.55,--,--,--,--,--,--,5.86, 应收账款周转天数(天),71.26,69.52,66.03,66.51,73.74,75.18,80.35,66.61,74.15,74.52,78.42,64.86,--,--,--,--,--,--,61.41, 存货周转率(次),3.39,2.18,1.11,4.26,3.22,1.97,0.9,4.27,3.12,1.92,0.9,4.41,--,1.98,--,4.66,4.76,4.67,3.94, 固定资产周转率(次),--,1.47,--,3.09,--,1.41,--,3.66,--,1.77,--,3.76,--,1.78,--,3.6,3.25,--,0.92, 总资产周转率(次),0.48,0.33,0.18,0.7,0.52,0.33,0.15,0.76,0.56,0.37,0.16,0.89,--,0.44,--,0.93,0.95,0.93,0.92, 存货周转天数(天),79.72,82.69,81.4,84.44,83.93,91.51,99.58,84.34,86.52,93.93,100.06,81.7,--,91.05,--,77.24,75.62,77.01,91.35, 总资产周转天数(天),558.89,553,497.79,512.24,521.54,537.96,610.17,473.31,480.6,491.4,564.97,404.45,--,409.18,--,385.36,380.07,387.06,392.93, 流动资产周转率(次),1,0.62,0.37,1.33,0.99,0.62,0.26,1.45,1.02,0.66,0.29,1.81,--,0.91,--,1.89,1.97,1.92,184.35, 流动资产周转天数(天),270.19,291.22,244.23,271.45,273.94,290.09,343.12,247.93,264.71,272.11,314.36,198.96,--,198.41,--,190.44,183.2,187.63,1.95, 经营现金净流量对销售收入比率(%),0.09,0.03,-0.01,0.18,0.12,0.05,-0.05,0.08,0,-0.02,-0.13,0.11,-0.02,-0.03,-0.33,0.15,0.2,0.1,0.08, 资产的经营现金流量回报率(%),0.04,0.01,-0,0.12,0.06,0.02,-0.01,0.05,0,-0.01,-0.02,0.09,--,-0.02,--,0.14,0.19,0.09,0.07, 经营现金净流量与净利润的比率(%),0.7,0.24,-0.1,1.41,0.98,0.45,-0.37,0.73,0.05,-0.23,-1.91,0.92,-0.21,-0.33,-5.27,1.32,1.73,0.96,0.98, 经营现金净流量对负债比率(%),0.23,0.06,-0.01,0.51,0.27,0.09,-0.03,0.26,0.01,-0.04,-0.1,0.27,--,-0.05,--,0.42,0.57,0.25,0.18, 现金流量比率(%),28.8,7.45,-1.21,63.42,33.06,12.25,-3.54,35.55,1.53,-5.66,-13.09,33.95,--,-5.69,--,53.81,76.64,33.64,25.69,