报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2012-12-31,2011-12-31, 应收账款周转率(次),4.91,17.72,13.82,10.71,4.15,17.45,12.52,9.43,5.83,13.64,9.5,5.9,2.45,5.56,4.1,2.5,1.06,8.17,5.86,10.43,3.47,20.23,14.62,9.92,--,22.2,--,28.61,23.69, 应收账款周转天数(天),18.34,20.32,19.54,16.81,21.71,20.63,21.57,19.08,15.43,26.4,28.41,30.52,36.7,64.78,65.93,71.93,84.88,44.06,46.06,17.26,25.91,17.8,18.47,18.14,--,16.22,--,12.59,15.2, 存货周转率(次),1.97,11.77,8.12,6.12,2.81,12.54,9.02,5.28,2.13,14.39,12.46,8.2,2.65,9.41,7.65,5.95,2.93,8.94,5.48,3.53,1.5,7.69,6.92,3.86,--,9.97,--,12.79,10.59, 固定资产周转率(次),--,1.55,--,0.83,--,2.13,--,1.25,--,2.58,--,1.39,--,1.45,--,0.62,--,1.3,--,0.68,--,1.66,--,0.81,--,--,--,--,0.69, 总资产周转率(次),0.1,0.64,0.5,0.34,0.18,0.73,0.52,0.32,0.15,0.78,0.72,0.49,0.2,0.53,0.36,0.24,0.11,0.47,0.36,0.24,0.12,0.65,0.59,0.36,--,0.94,--,--,0.69, 存货周转天数(天),45.79,30.59,33.26,29.39,31.99,28.71,29.95,34.11,42.24,25.01,21.67,21.95,33.96,38.28,35.28,30.24,30.76,40.28,49.24,51,60.13,46.82,39.02,46.64,--,36.11,--,28.14,34.01, 总资产周转天数(天),867.05,561.01,535.4,526.78,502.23,490.6,520.13,567.47,582.15,463.44,377.62,366.82,440.31,678.48,750.63,751.25,845.86,769.23,759.71,745.34,758.21,554.79,461.54,496.69,--,381.64,--,--,524.32, 流动资产周转率(次),0.3,1.61,1.28,0.79,0.42,1.59,1.13,0.67,0.33,1.68,1.59,1.11,0.45,1.18,0.84,0.58,0.25,0.95,0.71,0.49,0.23,1.37,1.47,0.88,--,2.49,--,2.46,159.09, 流动资产周转天数(天),304.57,223.41,211.1,229.18,215.11,226.26,238.87,267.62,275.48,214.69,169.98,162.68,199.87,304.52,319.75,312.28,365.11,377.68,380.98,369.53,398.41,263.68,183.4,205.55,--,144.55,--,146.2,2.26, 经营现金净流量对销售收入比率(%),0.28,0.05,0.08,0.22,0,0.05,0,0.02,0,0.07,0.07,0.08,0.09,0.13,0.14,0.23,0.1,-0.01,0.06,0.08,-0.32,-0.14,0.02,0.04,0.01,0.02,0.02,0.02,0.04, 资产的经营现金流量回报率(%),0.03,0.03,0.04,0.08,0,0.03,0,0.01,0,0.05,0.05,0.04,0.02,0.07,0.05,0.06,0.01,-0.01,0.02,0.02,-0.04,-0.08,0.01,0.01,--,0.01,--,0.02,0.03, 经营现金净流量与净利润的比率(%),--,7.01,12.69,--,0.05,1.04,0.11,0.57,0.08,2.14,2.42,3.58,4.98,3.01,17.89,--,109.84,--,--,--,-31.46,-3.9,0.62,2.96,2.84,0.82,0.92,0.6,0.58, 经营现金净流量对负债比率(%),0.06,0.07,0.09,0.15,0,0.07,0,0.01,0,0.1,0.08,0.07,0.03,0.11,0.09,0.11,0.02,-0.01,0.04,0.04,-0.07,-0.13,0.02,0.02,--,0.02,--,0.03,0.05, 现金流量比率(%),6.02,7.07,9.57,16.61,0.03,7.56,0.51,1.16,0.13,10.77,9.07,8.3,3.47,12.92,10.96,12.66,2.1,-1.16,5.09,5.01,-8.45,-16.22,1.71,2.08,--,2.13,--,4.47,6.51,