报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),2.15,10.93,9.47,5.94,3.17,10.87,8.71,5.63,3.14,11.02,10.17,6.2,3.6,11.62,9.7,6.7,3.46,12.27,--,--,--,11.37,11.32,11.81,12.23, 应收账款周转天数(天),41.78,32.94,28.51,30.33,28.4,33.12,30.99,31.96,28.71,32.68,26.56,29.03,25,30.99,27.83,26.86,26.01,29.33,--,--,--,31.66,31.8,30.47,29.42, 存货周转率(次),0.21,1.18,0.79,0.6,0.32,1.14,0.77,0.59,0.31,1.13,0.77,0.58,0.3,1.21,0.85,0.6,0.33,1.43,--,--,--,1.51,1.65,1.79,1.92, 固定资产周转率(次),--,11.53,--,5.74,--,11.26,--,5.89,--,11.3,--,5.71,--,11.67,--,5.92,--,12.58,--,--,--,12.42,--,--,1.57, 总资产周转率(次),0.18,0.96,0.69,0.5,0.27,0.98,0.7,0.52,0.28,1.02,0.74,0.54,0.28,1.24,0.92,0.6,0.38,1.56,--,--,--,1.53,1.61,1.63,1.57, 存货周转天数(天),434.99,304.08,340.87,298.16,282.13,315.15,349.61,304.31,289.67,317.99,350.47,309.92,298.21,297.62,319.15,300,272.31,252.56,--,--,--,238.7,217.77,201.36,187.94, 总资产周转天数(天),507.33,376.81,393.53,360.79,329.31,368.02,387.37,346.69,327.15,351.91,363.73,334.45,318.81,290.58,293.41,301.96,237.09,230.61,--,--,--,235.11,223.55,220.29,229.1, 流动资产周转率(次),0.22,1.15,0.83,0.6,0.33,1.17,0.84,0.62,0.33,1.21,0.89,0.64,0.34,1.48,1.1,0.7,0.46,1.87,--,--,--,1.81,1.9,1.93,185.23, 流动资产周转天数(天),415.32,311.77,324.75,298.9,272.64,307.46,320.44,290.84,275.74,296.54,305.08,280.46,267.7,243.49,244.61,257.18,194.93,192.5,--,--,--,198.95,189.39,186.16,1.94, 经营现金净流量对销售收入比率(%),-0.21,0.04,0.02,0.01,-0.07,0.04,0.04,0.08,0.17,0.06,0.08,0.14,0.09,-0,-0.06,-0,-0.12,0.02,-0,0,-0.07,0.12,0.05,0.04,0.1, 资产的经营现金流量回报率(%),-0.04,0.04,0.01,0.01,-0.02,0.04,0.03,0.04,0.05,0.06,0.06,0.08,0.03,-0,-0.05,-0,-0.04,0.03,--,--,--,0.2,0.08,0.06,0.16, 经营现金净流量与净利润的比率(%),--,7.3,--,0.89,-1.35,--,7.47,1.55,1.84,5.61,4.17,2.56,1.03,-0.05,-1.41,-0.08,-1.64,0.35,-0.06,0.03,-0.87,2.44,0.82,0.56,1.51, 经营现金净流量对负债比率(%),-0.32,0.2,0.07,0.03,-0.13,0.18,0.14,0.25,0.25,0.29,0.32,0.49,0.18,-0.01,-0.27,-0.01,-0.1,0.07,--,--,--,0.36,0.13,0.08,0.21, 现金流量比率(%),-32.08,20.49,6.63,3.3,-12.89,18.18,14.37,24.76,25.09,29.22,32.38,49.81,18.61,-1.3,-27.51,-0.79,-10.25,7.28,--,--,--,36.06,12.71,8.08,20.97,