报告日期,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),5.04,2.48,11.15,5.71,7.18,3.5,28.13,22.13,17.87,9.23,56.27,35.21,26.65,9.82,50.8,26.98,18.69,8.51,44.08,--,--,--,43.64,45.93,47.65, 应收账款周转天数(天),35.73,36.29,32.29,47.3,25.06,25.72,12.8,12.2,10.07,9.75,6.4,7.67,6.75,9.17,7.09,10.01,9.63,10.57,8.17,--,--,--,8.25,7.84,7.55, 存货周转率(次),1.77,0.85,4.06,2.33,3.26,1.25,7.02,4.83,3.32,1.2,6.34,4.5,2.9,1.03,6.06,4.47,2.88,1.09,6.2,--,--,--,5.65,5.34,5.5, 固定资产周转率(次),1.21,--,2.65,--,1.76,--,4.42,--,2.23,--,4.23,--,1.77,--,3.28,--,1.45,--,2.96,--,--,--,--,--,1.1, 总资产周转率(次),0.27,0.14,0.62,0.37,0.46,0.19,1.08,0.76,0.49,0.19,1.02,0.72,0.45,0.17,1.03,0.73,0.46,0.22,1.12,--,--,--,1.1,--,1.1, 存货周转天数(天),101.51,106.4,88.61,115.9,55.14,71.93,51.26,55.88,54.28,75.06,56.76,59.96,62.04,87.29,59.36,60.44,62.6,82.89,58.04,--,--,--,63.69,67.4,65.43, 总资产周转天数(天),668.15,650.76,584.51,721.93,394.13,472.94,332.63,357.43,371.13,469.24,352.22,375.89,402.14,536.67,350.5,369.96,390.37,418.02,320.8,--,--,--,327.84,--,327.21, 流动资产周转率(次),1.28,0.67,2.09,1.17,0.76,0.32,1.87,1.31,0.86,0.34,1.81,1.19,0.75,0.29,2.06,1.46,0.96,0.6,2.87,--,--,--,2.97,3.32,324.82, 流动资产周转天数(天),140.63,134.03,172.61,230.14,236.22,279.24,192.56,205.78,209.21,268.1,198.9,226.87,239.52,314.03,175.05,185.27,188.46,151.06,125.51,--,--,--,121.15,108.59,1.11, 经营现金净流量对销售收入比率(%),0.15,0.14,0.11,0.06,0.04,-0.13,0.12,0.13,0.1,-0,0.18,0.17,0.18,-0.02,0.15,0.13,0.09,-0.08,0.11,0.09,0,-0.26,0.18,0.13,0.09, 资产的经营现金流量回报率(%),0.04,0.02,0.04,0.01,0.02,-0.03,0.12,0.09,0.05,-0,0.17,0.11,0.08,-0,0.12,0.08,0.03,-0.02,0.13,--,--,--,0.19,0.14,0.1, 经营现金净流量与净利润的比率(%),3.37,6.91,--,1.04,0.56,-1.9,1.03,1.08,0.83,-0.01,1.59,1.4,1.66,-0.24,1.57,1.36,1.27,-2.62,1.23,1.02,0.03,-4.7,1.63,1.32,1.1, 经营现金净流量对负债比率(%),0.05,0.03,0.06,0.02,0.08,-0.14,0.54,0.41,0.23,-0,0.76,0.58,0.42,-0.02,0.7,0.4,0.19,-0.05,0.38,--,--,--,0.44,0.31,0.2, 现金流量比率(%),30.34,15.09,31.92,9.86,8.66,-15.94,60.1,45.91,27.16,-0.1,83.25,65.69,48.55,-1.73,80.95,52.27,26.01,-9.78,70.77,--,--,--,78.13,67.8,31.51,