报告日期,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),6.86,3.99,2.03,7.57,4.77,3.18,1.44,7.31,5.86,3.74,2.31,11.51,7.01,4.89,--,13.25,--,17.99,26.43,25.24, 应收账款周转天数(天),39.37,45.09,44.27,47.57,56.6,56.56,62.44,49.23,46.08,48.09,39.04,31.27,38.54,36.82,--,27.18,--,20.01,13.62,14.26, 存货周转率(次),2.45,1.36,0.53,4.59,2.93,2.2,0.75,3.72,3.04,2.53,1.07,4.97,4.24,2.62,--,5.75,--,5.18,6.3,6.52, 固定资产周转率(次),--,3.69,--,9.16,--,4.38,--,8.13,--,4.46,--,8.11,--,4.15,--,--,--,--,--,1.23, 总资产周转率(次),0.61,0.35,0.18,0.92,0.67,0.46,0.2,0.88,0.66,0.48,0.24,1.24,1.33,0.89,--,1.81,--,--,--,1.23, 存货周转天数(天),110.19,132.46,170.65,78.35,92.3,81.81,120.59,96.86,88.69,71.01,84.16,72.38,63.75,68.78,--,62.64,--,69.45,57.17,55.25, 总资产周转天数(天),440.89,517.84,498.89,393.1,401.73,390.79,448.43,410.82,411.9,376.88,382.82,291.38,202.6,203.37,--,199.01,--,--,--,291.69, 流动资产周转率(次),0.97,0.54,0.27,1.37,0.99,0.7,0.3,1.21,0.89,0.66,0.3,1.79,2.4,1.63,--,3.66,--,3.09,2.93,329.98, 流动资产周转天数(天),279.19,330.46,327.75,263.43,272.04,258.99,299.1,296.88,301.78,273.18,299.7,201.48,112.43,110.21,--,98.35,--,116.42,122.83,1.09, 经营现金净流量对销售收入比率(%),0.11,0.11,-0.16,0.17,0.18,0.13,0.24,0.17,0.14,0.08,0.06,0.1,0.04,0.06,-0.01,0.12,0.09,0.03,0.01,0.27, 资产的经营现金流量回报率(%),0.06,0.04,-0.03,0.16,0.12,0.06,0.05,0.13,0.08,0.04,0.01,0.1,0.05,0.05,--,0.19,--,0.05,0.01,0.33, 经营现金净流量与净利润的比率(%),0.67,0.86,-1.27,1.97,1.25,0.94,1.66,1.15,1.16,0.84,0.61,0.91,0.4,0.53,-0.12,1.07,0.89,0.57,0.22,4.2, 经营现金净流量对负债比率(%),0.21,0.12,-0.09,0.62,0.57,0.42,0.38,0.5,0.25,0.12,0.04,0.38,0.12,0.11,--,0.35,--,0.08,0.01,0.6, 现金流量比率(%),23.07,13.14,-10.06,73.02,71.31,60.63,57.15,56.42,51.03,22.38,9.15,136.11,40.77,37.53,--,119.02,--,26.54,2.85,60.38,