报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),0.37,1.92,1.6,1.12,0.5,2.2,1.34,0.88,0.42,2.2,1.61,1.2,0.43,2.33,1.41,1.07,0.42,1.87,0.97,0.67,--,1.76,--,1.99,2.08,2.25, 应收账款周转天数(天),244.57,187.31,168.6,160.14,180.07,163.44,202.07,204.55,214.23,163.76,168.01,150.26,209.84,154.82,191.72,168.05,213.27,192.12,277.38,266.94,--,205.08,--,180.64,172.85,159.79, 存货周转率(次),0.62,2.37,1.8,1.28,0.56,2.17,1.18,0.87,0.44,1.79,1.34,1.04,0.33,1.55,1.29,1.02,0.42,2.29,1.75,1.49,--,3.44,--,3.47,2.56,1.9, 固定资产周转率(次),--,4.31,--,2.75,--,4.75,--,1.98,--,4.03,--,2.27,--,3.77,--,2.09,--,3.66,2.82,1.87,--,4.59,--,6.07,--,0.69, 总资产周转率(次),0.11,0.51,0.43,0.29,0.13,0.55,0.37,0.25,0.11,0.51,0.37,0.27,0.1,0.5,0.37,0.28,0.11,0.55,0.38,0.26,--,0.59,--,0.68,0.7,0.69, 存货周转天数(天),146.13,152.22,149.68,141.14,159.8,166.27,228.74,206.78,204.41,201.53,201.73,172.53,275.48,233.01,209.9,176.35,214.29,157.23,154.3,120.59,--,104.64,--,103.88,140.36,189.72, 总资产周转天数(天),788.09,703.13,626.74,611.83,685.98,650.99,739.52,725.51,832.56,708.8,727.37,661.52,941.42,717.7,728.16,644.47,841.91,653.83,717.32,693.11,--,613.08,--,532.47,511.87,521.59, 流动资产周转率(次),0.16,0.7,0.59,0.4,0.18,0.77,0.5,0.35,0.15,0.69,0.5,0.36,0.13,0.66,0.49,0.36,0.14,0.73,0.51,0.36,--,0.77,--,0.85,0.87,81.78, 流动资产周转天数(天),561.8,510.71,458.56,453.4,492.88,469.18,535.29,519.93,582.52,522.72,539.57,495.46,709.78,548.45,554.76,500.83,664.21,491.33,531.29,506.9,--,466.02,--,421.64,414.51,4.4, 经营现金净流量对销售收入比率(%),-0.34,0.06,-0.24,-0.24,-0.1,0.08,-0.04,-0.21,-0.23,-0.05,-0.11,0.05,-0.33,-0,-0.28,-0.33,-0.57,0.12,-0.32,-0.44,-1.59,0.25,-0.05,0.11,0.21,0.11, 资产的经营现金流量回报率(%),-0.04,0.03,-0.1,-0.07,-0.01,0.04,-0.01,-0.05,-0.03,-0.03,-0.04,0.01,-0.03,-0,-0.09,-0.08,-0.06,0.06,-0.11,-0.11,--,0.13,--,0.07,0.13,0.07, 经营现金净流量与净利润的比率(%),-17.8,0.96,-3.87,-3.67,-12.51,0.92,-0.5,-3.09,--,-0.73,-1.72,1.11,--,-0.02,-4.04,-4.02,--,0.82,-3.86,-4.63,--,1.5,-0.47,0.72,1.44,0.71, 经营现金净流量对负债比率(%),-0.08,0.05,-0.21,-0.14,-0.03,0.09,-0.03,-0.11,-0.07,-0.07,-0.09,0.03,-0.07,-0,-0.2,-0.2,-0.14,0.1,-0.19,-0.21,--,0.27,--,0.14,0.24,0.14, 现金流量比率(%),-8.18,4.99,-22.44,-14.53,-3.52,9.58,-3.44,-12.67,-7.6,-7.39,-10.21,3.09,-7.32,-0.28,-22.81,-21.89,-15.4,10.61,-21.39,-23.49,--,34.07,--,17.85,29.77,14.24,