报告日期,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),4.26,2.85,1.41,6.43,4.75,3.1,1.53,6.73,4.72,3.12,--,6.77,--,--,6.65,5.73,4.91, 应收账款周转天数(天),63.35,63.22,63.79,56.02,56.82,58.08,58.69,53.48,57.22,57.69,--,53.19,--,--,54.12,62.78,73.28, 存货周转率(次),4.07,2.64,1.29,5.33,3.75,2.35,1.04,4.94,3.58,2.46,--,5.16,--,--,5.17,5.1,4.66, 固定资产周转率(次),--,2.17,--,4.3,--,1.94,--,5.11,--,2.38,--,7.82,--,--,8.32,--,1.61, 总资产周转率(次),0.81,0.52,0.24,1.01,0.74,0.46,0.21,1.09,0.8,0.65,--,1.39,--,--,1.65,1.79,1.61, 存货周转天数(天),66.37,68.21,69.96,67.55,72.04,76.46,86.48,72.82,75.52,73.28,--,69.74,--,--,69.69,70.65,77.3, 总资产周转天数(天),333.58,347.09,380.07,355.24,366.8,392.58,435.62,331.16,338.98,278.81,--,259.72,--,--,218.51,201.49,224.24, 流动资产周转率(次),1.1,0.71,0.32,1.37,0.99,0.62,0.28,1.61,1.18,1.1,--,2.13,--,--,2.2,2.43,216.37, 流动资产周转天数(天),246.28,255.1,279.94,261.95,273.14,291.31,322.7,223.55,227.96,163.1,--,168.97,--,--,163.64,148.33,1.66, 经营现金净流量对销售收入比率(%),0.06,0.06,0.13,0.08,0.08,0.09,0.09,0.08,0.01,0.1,0.01,0.13,0.09,0.08,0.17,0.1,0.06, 资产的经营现金流量回报率(%),0.05,0.03,0.03,0.08,0.05,0.04,0.02,0.07,0,0.06,--,0.15,--,--,0.25,0.18,0.09, 经营现金净流量与净利润的比率(%),0.56,0.52,1.04,0.84,0.81,1.08,1.44,0.69,0.06,0.74,0.06,0.94,0.59,0.55,1.31,0.87,0.61, 经营现金净流量对负债比率(%),0.25,0.15,0.19,0.48,0.28,0.23,0.11,0.42,0.03,0.14,--,0.37,--,--,0.62,0.57,0.18, 现金流量比率(%),26.23,15.17,19.41,49.46,28.1,23.24,11.83,43.09,3.14,22.91,--,70.88,--,--,87.92,56.89,17.91,