报告日期,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2014-06-30,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),5.28,2.65,18.01,13.27,8.75,4.58,18.18,14.29,9.19,4.93,17.63,13.13,8.95,4.83,20.33,17.1,11.14,--,20.12,--,13.96,7.56,9.68,7.25,6.7, 应收账款周转天数(天),34.11,34,19.99,20.35,20.56,19.64,19.8,18.9,19.58,18.27,20.42,20.57,20.12,18.65,17.71,15.79,16.16,--,17.89,--,25.79,23.8,37.17,49.67,53.74, 存货周转率(次),2.54,0.97,8.13,6.79,4.63,2.2,8.84,6.26,4.23,1.9,8.16,6.25,4.48,2.06,7.68,4.93,3.62,--,7.71,--,7.17,3.42,4.47,4.34,5.5, 固定资产周转率(次),3.3,--,7.09,--,3.32,--,6.15,--,3.3,--,7.6,--,5.18,--,10.84,--,5.45,--,--,--,--,--,--,--,1.49, 总资产周转率(次),0.38,0.14,1,0.74,0.49,0.23,1.05,0.78,0.55,0.27,1.17,0.85,0.56,0.25,1.47,1.12,0.82,--,1.84,--,--,0.99,--,--,1.49, 存货周转天数(天),70.88,93.04,44.27,39.76,38.85,40.87,40.73,43.12,42.51,47.32,44.11,43.21,40.18,43.59,46.89,54.79,49.73,--,46.72,--,50.24,52.61,80.58,82.99,65.42, 总资产周转天数(天),479.49,658.86,360.04,362.71,365.11,386.93,341.39,345.22,329.31,331.86,306.62,315.86,323.33,358.71,245.4,240.68,219.75,--,195.79,--,--,182.5,--,--,241.4, 流动资产周转率(次),0.57,0.21,1.39,1.05,0.67,0.31,1.41,1.04,0.72,0.36,1.56,1.14,0.72,0.31,2.04,1.62,1.18,--,2.69,--,2.89,1.47,2.21,1.95,194.58, 流动资产周转天数(天),315.79,436.89,259.09,256.73,268.94,287.91,255.43,260.82,250.31,251.4,230.37,237.63,249.1,285.9,176.75,166.92,152.66,--,133.65,--,124.45,122.48,163.25,184.78,1.85, 经营现金净流量对销售收入比率(%),-0.09,-0.7,0.19,0.19,0.21,0.27,0.11,0.07,0.11,0.09,0.15,0.1,0.13,0.11,0.14,0.09,0.11,-0.09,0.21,0.13,0.17,0.2,0.19,0.02,0.01, 资产的经营现金流量回报率(%),-0.04,-0.1,0.18,0.14,0.1,0.06,0.12,0.05,0.06,0.02,0.13,0.07,0.06,0.02,0.16,0.09,0.09,--,0.32,--,0.28,0.18,0.25,0.03,0.02, 经营现金净流量与净利润的比率(%),-0.85,-8.24,1.55,1.46,1.73,2.58,1.05,0.62,0.92,0.87,1.24,0.76,0.95,0.68,0.84,0.52,0.65,-0.52,1.49,0.98,2.02,2.49,2.94,1.09,0.2, 经营现金净流量对负债比率(%),-0.11,-0.35,0.54,0.47,0.32,0.21,0.39,0.14,0.15,0.06,0.35,0.21,0.18,0.06,0.28,0.17,0.17,--,0.6,--,0.51,0.34,0.44,0.08,0.04, 现金流量比率(%),-11.46,-35.75,58.13,51.73,34.53,21.87,42.83,14.86,16.19,7.06,36.18,21.73,18.66,6.27,30.76,19.34,19.21,--,64.09,--,53.6,35.77,48.12,8.75,4.56,