报告日期,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2012-12-31,2011-12-31, 应收账款周转率(次),3.33,1.65,6.84,4.96,3.32,1.6,8.07,5.83,3.71,1.77,7.68,5.61,3.8,1.84,6.76,5.18,3.21,1.64,7.02,5.17,3.39,--,7.57,--,9.11,9.34, 应收账款周转天数(天),53.98,54.48,52.61,54.4,54.14,56.25,44.58,46.33,48.51,50.93,46.87,48.16,47.37,48.88,53.22,52.12,56.15,54.74,51.27,52.27,53.02,--,47.53,--,39.52,38.53, 存货周转率(次),2.41,1.37,6.42,4.17,2.75,1.31,8.35,6.18,3.74,1.7,7.59,5.58,3.25,1.75,6.98,6.3,3.97,1.92,7.95,6,4.22,--,8.72,--,11.04,11.64, 固定资产周转率(次),1.49,--,3.69,--,1.49,--,5.1,--,2.59,--,4.53,--,2.09,--,4.03,--,2.38,--,4.95,--,2.5,--,7.59,--,13.71,1.62, 总资产周转率(次),0.45,0.23,0.89,0.6,0.34,0.16,0.92,0.71,0.47,0.23,0.98,0.75,0.47,0.24,0.98,0.94,0.62,0.3,1.21,0.8,0.62,--,1.27,--,1.53,1.62, 存货周转天数(天),74.61,65.69,56.09,64.8,65.51,68.66,43.1,43.72,48.13,53.01,47.44,48.39,55.31,51.56,51.61,42.83,45.3,46.88,45.26,45.03,42.62,--,41.3,--,32.61,30.94, 总资产周转天数(天),395.78,399.11,403.63,453.63,523.26,578.03,392.76,382,383.96,390.12,369.19,360.91,380.23,382.33,366.6,286.35,289.9,304.16,298.21,336.78,289.2,--,283.69,--,236,222.3, 流动资产周转率(次),0.94,0.46,1.97,1.37,0.82,0.39,2.1,1.56,1.01,0.49,2.1,1.66,1.04,0.5,1.93,1.65,1.07,0.5,2.13,1.32,1.18,--,2.25,--,2.44,241.49, 流动资产周转天数(天),190.92,194.13,183.09,197.11,218.23,233.04,171.41,173.1,178.04,182.15,171.75,162.87,173.78,179.35,186.4,163.88,168.05,178.86,168.78,204.78,153.05,--,159.76,--,147.31,1.49, 经营现金净流量对销售收入比率(%),0.05,0.03,0.04,0.01,0.04,-0.18,0.09,0.06,0.03,-0.04,0.11,0.13,0.13,0.05,0.14,0.07,-0.01,-0.01,0.06,0.08,0.06,-0.12,0.08,0.08,0.08,0.13, 资产的经营现金流量回报率(%),0.02,0.01,0.04,0.01,0.01,-0.03,0.07,0.04,0.01,-0.01,0.1,0.1,0.06,0.01,0.11,0.06,-0.01,-0,0.07,0.06,0.04,--,0.09,--,0.11,0.21, 经营现金净流量与净利润的比率(%),0.68,0.5,0.72,0.1,0.58,-9.87,1.43,0.68,0.31,-0.37,0.9,1.06,1.06,0.44,1.44,0.71,-0.11,-0.1,1.11,1.31,0.93,-3.31,0.85,0.84,0.9,1.55, 经营现金净流量对负债比率(%),0.05,0.01,0.08,0.02,0.03,-0.07,0.18,0.11,0.04,-0.04,0.38,0.61,0.37,0.07,0.68,0.38,-0.03,-0.01,0.27,0.15,0.07,--,0.17,--,0.21,0.38, 现金流量比率(%),7.65,2.06,11.33,2.17,4.4,-8.57,21.96,13.44,4.69,-5.44,63.49,68.21,41.71,7.69,77.69,45.86,-3.7,-1.22,30.75,18.66,8.18,--,19.41,--,26.03,43.64,