报告日期,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),0.91,0.41,2.13,1.35,0.9,0.46,2.51,1.61,1.12,0.59,2.83,--,--,3.38,4.32,5.19, 应收账款周转天数(天),197.93,220.32,169.24,200.06,199.87,197.33,143.3,167.88,161.42,151.64,127.2,--,--,106.58,83.31,69.34, 存货周转率(次),2.11,0.74,4,3.31,1.98,0.96,3.76,2.28,1.66,0.73,3.17,--,--,3.34,3.69,4.37, 固定资产周转率(次),1.63,--,3.88,--,2.2,--,6.13,--,4.11,1.88,8.07,--,--,--,--,1.3, 总资产周转率(次),0.28,0.11,0.55,0.39,0.25,0.11,0.66,0.45,0.4,0.18,0.82,--,--,0.93,--,1.3, 存货周转天数(天),85.27,122.38,90.07,81.63,90.8,94.17,95.66,118.65,108.43,123.17,113.7,--,--,107.67,97.49,82.33, 总资产周转天数(天),654.07,813.74,655.38,697.67,711.46,786.03,548.45,600.4,454.2,488.86,439.02,--,--,387.93,--,275.88, 流动资产周转率(次),0.42,0.17,0.77,0.51,0.33,0.15,0.9,0.61,0.59,0.28,1.16,--,--,1.36,1.64,174.87, 流动资产周转天数(天),432.17,534.44,468.87,526.73,539.57,583.66,399.64,439.38,303.44,325.5,309.23,--,--,264.92,218.88,2.06, 经营现金净流量对销售收入比率(%),-0.2,-0.5,0,-0.24,-0.39,-0.67,0.07,-0.14,-0.22,-0.42,0.13,-0.06,-0.07,0.09,0.1,0.07, 资产的经营现金流量回报率(%),-0.05,-0.06,0,-0.09,-0.1,-0.08,0.04,-0.05,-0.09,-0.08,0.1,--,--,0.08,0.09,0.09, 经营现金净流量与净利润的比率(%),-1.83,-10.1,0.03,-2.27,-3.11,-7.79,0.48,-1.17,-1.73,-3.36,0.9,-0.44,-0.58,0.85,1.01,0.69, 经营现金净流量对负债比率(%),-0.23,-0.28,0.01,-0.42,-0.44,-0.43,0.16,-0.24,-0.28,-0.29,0.27,--,--,0.21,0.19,0.23, 现金流量比率(%),-23.87,-28.99,0.86,-42.38,-44.09,-43.22,16.38,-24.68,-28.26,-28.94,27.47,--,--,20.94,19.15,23.17,