报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2014-06-30,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),2.31,1.47,0.68,2.59,1.85,1.13,0.49,2.21,1.57,0.95,0.47,2.14,1.58,0.98,0.47,2.16,1.53,0.96,0.42,2.26,1.7,1.09,--,2.24,--,2.46,1.07,2.35,3.01,2.1, 应收账款周转天数(天),116.91,122.39,131.71,138.88,145.85,159.29,183.11,163.25,172.2,188.64,190.6,167.85,170.69,183.82,190.76,166.58,176.32,187.34,214.69,159.19,159.2,165.26,--,160.61,--,146.47,168.16,153.45,119.48,171.71, 存货周转率(次),2.57,1.75,0.85,3.96,2.92,1.7,0.78,3.41,2.21,1.38,0.63,3.32,2.3,1.18,0.69,3.75,2.64,1.62,0.68,4.34,3.15,1.81,--,3.95,--,3.87,1.55,3.94,6,5.06, 固定资产周转率(次),--,1.7,--,3,--,1.22,--,2.39,--,0.96,--,2.13,--,0.93,--,2.02,--,0.83,--,1.92,--,0.87,--,1.96,--,2.41,1.18,3.87,26.66,0.77, 总资产周转率(次),0.52,0.34,0.16,0.66,0.47,0.27,0.12,0.56,0.38,0.23,0.11,0.52,0.37,0.21,0.11,0.5,0.35,0.21,0.09,0.51,0.4,0.24,--,0.54,--,0.67,0.29,0.79,1.2,0.77, 存货周转天数(天),105.24,102.8,106.28,90.93,92.4,105.83,115.38,105.56,122.38,130.48,142.32,108.35,117.5,152.75,131.14,95.91,102.15,111.02,132.02,82.96,85.67,99.54,--,91.24,--,93.06,115.94,91.43,60.02,71.08, 总资产周转天数(天),521.34,533.65,561.45,542.82,569.62,674.16,741.96,638.86,702.94,797.87,813.74,694.44,722.31,849.86,837.21,725.22,771.43,847.46,982.53,704.36,675.84,738.01,--,662.5,--,536.99,613.92,455.41,300.08,468.26, 流动资产周转率(次),0.82,0.53,0.25,1.09,0.79,0.45,0.2,0.98,0.67,0.4,0.2,0.95,0.69,0.4,0.2,0.9,0.64,0.38,0.16,0.94,0.78,0.48,--,1.08,--,1.29,0.55,1.35,1.9,130.33, 流动资产周转天数(天),328.87,342.01,354.61,328.92,341.51,402.5,446.43,368.63,404.86,455.24,457.78,378.51,392.5,454.43,445.77,399.16,423.46,469.61,566.75,384.94,346.82,371.36,--,332.35,--,278.62,327.21,267.38,189.45,2.76, 经营现金净流量对销售收入比率(%),0.05,-0.03,-0.05,0.11,0.09,0.08,-0.02,0.11,-0.04,-0.12,-0.34,-0.04,-0.05,-0.06,-0.07,0.06,-0.07,-0.14,-0.24,-0.05,-0.06,-0.02,-0.2,0.05,0.17,-0.06,-0.02,0.1,-0.12,-0.15, 资产的经营现金流量回报率(%),0.02,-0.01,-0.01,0.07,0.04,0.02,-0,0.06,-0.01,-0.03,-0.04,-0.02,-0.02,-0.01,-0.01,0.03,-0.02,-0.03,-0.02,-0.02,-0.02,-0.01,--,0.02,--,-0.04,-0.01,0.06,-0.1,-0.12, 经营现金净流量与净利润的比率(%),0.63,-0.39,-0.56,1.06,0.93,1.01,-0.2,1.77,-0.54,-2.68,-5.91,-0.82,-0.63,-0.74,-0.76,0.74,-0.78,-1.72,-2.75,-0.56,-0.61,-0.31,-2.39,0.43,1.34,-0.5,-0.19,0.61,-0.58,-3.62, 经营现金净流量对负债比率(%),0.04,-0.02,-0.01,0.11,0.07,0.03,-0,0.09,-0.02,-0.04,-0.06,-0.03,-0.02,-0.02,-0.01,0.05,-0.05,-0.06,-0.05,-0.04,-0.03,-0.01,--,0.03,--,-0.05,-0.01,0.09,-0.16,-0.15, 现金流量比率(%),4.22,-1.76,-1.4,11.9,7.25,3.54,-0.32,10.15,-2.39,-4.45,-6.33,-2.97,-2.83,-1.99,-1.26,5.39,-5.62,-8.49,-6.13,-5.33,-4.24,-1.06,--,4.82,--,-6.25,-1.08,12,-22.36,-20.76,