报告日期,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31, 应收账款周转率(次),2.08,1.3,0.74,0.21,2.12,1.5,1,0.46,1.95,1.22,0.82,0.38,1.72,1.25,0.78,0.33,1.79,1.23,0.84,0.38,2,1.37,0.92,0.45,1.79,1.24,0.89,--,2.18,--,--,--,2.86,4.27,4.28,3.45, 应收账款周转天数(天),172.91,207.15,244.13,425.13,170.2,179.87,179.52,195.87,185.09,220.43,220.83,234.01,209.24,215.62,231.51,273.56,201.51,218.77,213.78,239.11,180.31,197.28,195.65,199.03,200.94,218.22,202.41,--,165.47,--,--,--,125.97,84.28,84.17,104.39, 存货周转率(次),1.4,0.81,0.49,0.16,1.67,1.42,0.93,0.39,1.93,1.3,0.85,0.44,2.29,1.74,1.25,0.54,3,2.04,1.58,0.68,3.18,1.79,1.16,0.58,2.67,1.97,1.43,--,2.9,--,--,--,2.7,3.18,4.06,4.18, 固定资产周转率(次),2.42,--,0.9,--,2.98,--,1.32,--,2.79,--,0.96,--,1.98,--,0.88,--,2.27,--,1.28,--,4.09,--,1.68,--,5.27,--,2.67,--,5.02,--,--,--,--,--,--,0.8, 总资产周转率(次),0.42,0.24,0.14,0.04,0.42,0.3,0.19,0.08,0.4,0.28,0.18,0.08,0.43,0.33,0.22,0.09,0.46,0.29,0.21,0.09,0.49,0.33,0.22,0.11,0.52,0.37,0.26,--,0.66,--,--,--,0.72,--,--,0.8, 存货周转天数(天),256.96,331.94,367.72,547.11,215.59,189.85,194.13,231.72,186.85,207.28,212.89,203.3,156.94,154.93,143.44,168.19,119.9,132.68,113.7,132.88,113.06,151,155.64,156.03,134.72,136.76,126.15,--,124.02,--,--,--,133.41,113.27,88.68,86.21, 总资产周转天数(天),866.22,1136.36,1271.19,2127.66,864.55,897.61,949.87,1063.83,907.72,948.37,1013.51,1070.15,838.77,812.03,818.93,982.53,781.76,932.64,862.48,1000,727.42,813.5,806.45,850.66,688.07,721.54,692.04,--,542.09,--,--,--,499.58,--,--,447.82, 流动资产周转率(次),0.68,0.42,0.24,0.07,0.68,0.51,0.32,0.13,0.6,0.43,0.27,0.13,0.68,0.56,0.37,0.16,0.8,0.52,0.37,0.16,0.78,0.51,0.34,0.16,0.71,0.5,0.34,--,0.94,--,--,--,1.03,1.25,1.27,105.27, 流动资产周转天数(天),526.62,640.42,757.26,1214.57,526.55,531.08,559.7,700.39,601.7,627.03,661.76,687.55,533.18,483.96,487.28,575.45,450.62,522.24,486.09,546.78,462.61,526.83,522.65,548.78,509.92,539.68,526.32,--,381.6,--,--,--,347.93,288.16,284.07,3.42, 经营现金净流量对销售收入比率(%),0.07,-0.06,-0.12,-0.91,0.09,-0.13,-0.12,-0.53,0.12,0.01,-0.02,-0.13,0.05,-0.01,-0.16,-0.42,-0.03,-0.17,-0.36,-0.31,0.06,0.1,0.08,-0.21,-0.09,-0.2,-0.27,--,0.13,0.09,0.13,-0.47,0.02,0.03,-0.05,0.26, 资产的经营现金流量回报率(%),0.03,-0.01,-0.02,-0.04,0.03,-0.04,-0.02,-0.04,0.04,0,-0,-0.01,0.02,-0,-0.03,-0.04,-0.01,-0.05,-0.07,-0.03,0.03,0.03,0.02,-0.02,-0.04,-0.06,-0.06,-0.05,0.08,--,--,--,0.01,0.02,-0.04,0.21, 经营现金净流量与净利润的比率(%),--,-0.56,-51.35,--,1.13,-1.42,-1.06,-6.07,3.09,0.14,-0.19,-1.28,0.53,-0.11,-1.4,-4.13,-0.18,-1.51,-2.76,-2.65,0.51,0.83,0.55,-1.8,-0.84,-1.82,-2.15,--,0.96,0.78,1.01,-4.65,0.15,0.22,-0.42,2.92, 经营现金净流量对负债比率(%),0.04,-0.02,-0.03,-0.06,0.06,-0.06,-0.04,-0.09,0.08,0.01,-0.01,-0.02,0.04,-0.01,-0.07,-0.08,-0.02,-0.1,-0.15,-0.06,0.06,0.06,0.04,-0.05,-0.13,-0.19,-0.17,-0.1,0.17,--,--,--,0.03,0.04,-0.07,0.27, 现金流量比率(%),5.02,-2.56,-3.1,-8.46,7.68,-8.57,-5.37,-11.2,11.05,0.6,-0.72,-2.54,4.09,-0.62,-7.06,-8.12,-2.48,-10.37,-15.19,-5.99,5.78,6.35,4.45,-5.32,-13.89,-19.46,-17.02,-9.87,16.88,--,--,--,2.93,4.4,-6.88,26.69,