报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),3.65,2.41,1.11,4.44,3.43,2.17,1.11,4.87,3.73,2.46,1.25,5.03,3.69,2.4,1.19,5.27,3.97,2.65,--,4.92,--,4.34,4.15,3.81, 应收账款周转天数(天),73.92,74.61,80.75,81.12,78.71,82.81,80.96,73.88,72.48,73.03,71.8,71.57,73.23,74.91,75.37,68.26,68.09,67.84,--,73.13,--,83.03,86.68,94.48, 存货周转率(次),2.28,1.56,0.82,2.87,2.04,1.29,0.6,2.48,1.76,1.21,0.66,2.55,1.84,1.26,0.59,2.93,2.13,1.37,--,2.93,--,3.16,3.56,3.63, 固定资产周转率(次),--,1.08,--,1.86,--,0.91,--,1.73,--,0.84,--,1.67,--,0.82,--,1.6,--,0.78,--,1.4,--,1.47,--,0.71, 总资产周转率(次),0.55,0.36,0.18,0.66,0.46,0.33,0.15,0.6,0.45,0.3,0.15,0.56,0.42,0.28,0.13,0.61,0.51,0.33,--,0.62,--,0.66,0.75,0.71, 存货周转天数(天),118.3,115.27,109.56,125.62,132.37,139.55,150.28,145.34,153.75,148.67,136.84,141.07,146.87,142.87,151.41,122.9,126.51,131.17,--,123.01,--,113.81,101.18,99.21, 总资产周转天数(天),495.32,496.14,504.77,546.95,585.68,546.28,588.62,597.51,602.95,607.08,594.45,642.28,647.64,648.88,679.25,593.77,534.65,548.45,--,580.18,--,546.37,481.86,504.63, 流动资产周转率(次),1.1,0.72,0.35,1.29,0.87,0.67,0.31,1.25,0.95,0.62,0.32,1.1,0.79,0.52,0.24,1.23,1.16,0.75,--,1.41,--,1.43,1.62,155.36, 流动资产周转天数(天),244.92,251.75,260.49,279.16,310.06,269.66,286.53,288.81,284.63,288.46,284.27,326.56,340.82,343.51,367.5,291.97,232.96,240.19,--,255.81,--,251.26,221.67,2.32, 经营现金净流量对销售收入比率(%),0.01,0.07,0.13,-0.02,-0,-0.05,0.07,0.08,0.03,0.07,0.03,0.03,0.01,-0.03,-0.09,0.03,0.01,0.02,-0.04,0.16,0.16,0.11,0.07,0.02, 资产的经营现金流量回报率(%),0.01,0.03,0.02,-0.01,-0,-0.02,0.01,0.05,0.01,0.02,0,0.02,0,-0.01,-0.01,0.02,0.01,0,--,0.09,--,0.07,0.05,0.02, 经营现金净流量与净利润的比率(%),0.18,0.91,1.27,-0.29,-0.01,-0.66,0.83,1.35,0.45,0.97,0.32,0.45,0.13,-0.41,-1,0.42,0.18,0.2,-0.44,1.81,1.64,1.32,0.78,0.37, 经营现金净流量对负债比率(%),0.01,0.05,0.05,-0.03,-0,-0.04,0.02,0.11,0.03,0.04,0.01,0.04,0.01,-0.02,-0.03,0.04,0.01,0.01,--,0.18,--,0.14,0.09,0.03, 现金流量比率(%),2.35,9.29,9.49,-5.84,-0.07,-4.52,2.95,13.07,3.91,6.02,1.16,4.79,1.29,-3.12,-4.13,5.36,1.63,1.04,--,24.01,--,17.45,9.83,3.03,