报告日期,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),3.18,2.05,1.06,4.31,3.33,2.2,1.15,4.5,3.49,2.33,--,4.87,--,2.48,1.24,5.02,5.23,4.83, 应收账款周转天数(天),84.9,87.94,84.56,83.49,81.01,81.89,78.13,80.07,77.33,77.28,--,73.86,--,72.59,72.53,71.69,68.78,74.6, 存货周转率(次),2.8,1.89,0.9,3.98,3.12,2.16,1.07,3.93,2.95,1.94,--,3.82,--,1.84,1.01,3.78,3.97,3.52, 固定资产周转率(次),--,0.87,--,1.97,--,1.06,--,2.36,--,1.32,--,--,--,--,--,--,--,0.77, 总资产周转率(次),0.38,0.26,0.13,0.54,0.41,0.27,0.14,0.61,0.57,0.39,--,0.82,--,--,--,--,--,0.77, 存货周转天数(天),96.3,95.49,100.42,90.54,86.47,83.35,83.87,91.63,91.54,92.97,--,94.16,--,97.74,89.54,95.28,90.69,102.37, 总资产周转天数(天),705.33,702.03,705.33,669.89,663.88,655.74,641.03,586.61,473.27,465.84,--,438.38,--,--,--,--,--,467.96, 流动资产周转率(次),0.64,0.44,0.22,0.88,0.66,0.44,0.22,1.03,1.16,0.79,--,1.61,--,0.76,0.41,1.61,1.46,128.95, 流动资产周转天数(天),419.71,409.18,415.51,410.91,410.65,408.35,408.91,349.68,232.86,228.77,--,223.82,--,238.32,218.34,223.24,246.32,2.79, 经营现金净流量对销售收入比率(%),0.39,0.39,0.32,0.19,0.19,0.11,0.15,0.29,0.29,0.26,0.2,0.3,--,0.34,0.22,0.29,0.27,0.27, 资产的经营现金流量回报率(%),0.15,0.1,0.04,0.1,0.08,0.03,0.02,0.14,0.16,0.1,--,0.21,--,0.12,0.04,0.23,0.22,0.21, 经营现金净流量与净利润的比率(%),2.5,2.32,2.12,0.99,0.98,0.56,0.8,1.31,1.28,1.17,0.94,1.13,--,1.19,0.88,1.17,1.13,1.06, 经营现金净流量对负债比率(%),0.63,0.47,0.2,0.48,0.38,0.14,0.1,0.7,0.57,0.38,--,0.78,--,0.4,0.18,0.82,0.6,0.6, 现金流量比率(%),109.2,94.96,37.54,86.9,65.12,25.27,17.43,127.6,100.28,73.1,--,142.86,--,72.79,48.75,204.6,111.36,110.92,