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),4.59,3.17,1.24,7.31,4.09,2.58,0.75,6.84,4.17,1.91,0.67,4.64,2.89,1.87,0.66,2.42,1.35,0.7,0.37,2.62,2.28,1.56,--,6.97,--,3.21,1.03,1.93,5.89,6.3, 应收账款周转天数(天),58.89,56.86,72.62,49.27,66.08,69.77,119.33,52.63,64.68,94.31,133.73,77.65,93.3,96.45,137.36,148.69,200.31,255.94,242.98,137.65,118.64,115.13,--,51.66,--,112.26,175.3,186.46,61.14,57.1, 存货周转率(次),77.03,94.88,45.03,14.55,7.28,4.71,--,6.52,4.79,2.12,0.83,3.36,2.4,1.28,0.41,1.46,0.92,0.58,0.34,2.4,1.82,1.68,--,8.88,--,5.83,10.44,4.01,6.46,3.57, 固定资产周转率(次),--,8.77,--,19.99,--,6.16,--,17.54,--,4.52,--,10.6,--,4.09,--,4.82,--,1.46,--,4.65,--,2.8,--,--,--,--,--,--,--,1.01, 总资产周转率(次),0.48,0.33,0.13,0.81,0.45,0.26,0.07,0.88,0.58,0.27,0.09,0.65,0.41,0.25,0.08,0.4,0.22,0.13,0.06,0.56,0.46,0.35,--,1.21,--,--,0.28,--,--,1.01, 存货周转天数(天),3.51,1.9,2,24.74,37.1,38.25,--,55.2,56.39,85.09,108.38,107.15,112.35,140.22,220.05,246.36,293.35,308.59,267.54,150.24,148.52,106.87,--,40.56,--,61.8,17.24,89.8,55.72,100.79, 总资产周转天数(天),563.32,540.7,704.78,447.21,599.2,684.67,1271.19,410.72,463.28,665.19,1027.4,551.13,655.82,712.03,1167.32,898.88,1239.67,1374.05,1401.87,637.85,593.41,510.64,--,297.94,--,--,638.75,--,--,356.05, 流动资产周转率(次),0.52,0.36,0.14,0.89,0.5,0.29,0.08,0.97,0.66,0.31,0.1,0.73,0.46,0.28,0.09,0.47,0.26,0.16,0.08,0.71,0.58,0.45,--,1.62,--,1.04,0.45,0.91,2.24,168.41, 流动资产周转天数(天),517.14,496,645.16,403.63,540.11,614.12,1140.68,369.31,412.15,589.2,923.08,493.22,586.57,635.37,1042.87,770.22,1052.63,1161.29,1182.65,505.76,468.99,401.34,--,221.65,--,347.02,403.5,395.21,160.85,2.14, 经营现金净流量对销售收入比率(%),0.29,0.29,0.2,-0.12,-0.23,-0.41,-0.41,0.42,0.38,0.4,0.81,0.14,0.14,0.17,0.59,-0.01,0.33,0.17,0.13,-0.25,-0.38,-0.54,-1.06,0.24,0.36,0.27,0.26,0.34,0.06,0.09, 资产的经营现金流量回报率(%),0.14,0.1,0.03,-0.1,-0.1,-0.11,-0.03,0.33,0.21,0.11,0.07,0.09,0.06,0.04,0.04,-0,0.06,0.02,0.01,-0.14,-0.17,-0.2,--,0.24,--,0.18,0.08,0.2,0.09,0.1, 经营现金净流量与净利润的比率(%),3.83,3.95,3.58,-2.08,-3.61,-6.32,-9.09,7.57,5.97,6.55,17.97,1.67,1.34,2.16,8.54,-0.07,1.44,0.94,6.24,-1.28,-1.92,-3.46,-45.09,1.79,2.46,1.22,2.22,1.66,0.66,0.59, 经营现金净流量对负债比率(%),0.32,0.22,0.06,-0.24,-0.24,-0.28,-0.08,0.77,0.73,0.43,0.3,0.34,0.25,0.18,0.18,-0.02,0.32,0.11,0.04,-0.5,-0.57,-0.61,--,0.65,--,0.82,0.32,0.71,0.21,0.22, 现金流量比率(%),32.48,21.93,6.13,-23.94,-24.34,-28.02,-7.87,78.61,75.74,44.87,31.14,35.26,26.39,19.11,19.18,-1.61,34.62,11.41,4.42,-53.74,-61.06,-65.75,--,68.7,--,97.13,39.09,81.74,23.29,23.51,