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),1.25,0.85,0.39,1.39,0.88,0.53,0.16,1.44,0.93,0.61,0.19,1.1,0.82,0.48,0.13,0.98,0.66,0.41,0.09,1.09,0.75,0.56,--,1.27,--,1.28,0.73,1.24,1.44,1.44, 应收账款周转天数(天),216.69,211.74,230.53,259.05,306.26,340.72,578.78,250.19,290.23,294.45,465.6,327.66,329.91,371.21,709.22,368.74,406.75,437.21,957.45,328.92,358.61,323.51,--,283.09,--,280.9,248,289.23,250,250.02, 存货周转率(次),1.96,1.2,0.49,2.3,1.56,0.97,0.3,2.54,1.36,0.99,0.25,1.85,1.86,1.15,0.29,2.39,1.67,0.94,0.26,2.5,1.32,1.06,--,2.39,--,2.48,1.49,2.36,2.09,1.49, 固定资产周转率(次),--,1.98,--,2.96,--,1.14,--,2.82,--,1.07,--,2.67,--,2.57,--,4.17,--,1.54,--,3.54,--,1.67,--,--,--,--,--,--,--,0.51, 总资产周转率(次),0.41,0.27,0.12,0.47,0.32,0.18,0.05,0.48,0.3,0.19,0.06,0.36,0.3,0.18,0.04,0.33,0.22,0.13,0.03,0.39,0.35,0.25,--,0.56,--,--,0.35,--,--,0.51, 存货周转天数(天),137.63,149.53,184.46,156.49,173.02,184.88,299.4,141.64,197.86,182.67,354.89,194.76,144.84,157.21,310.99,150.8,162.07,191.22,344.96,144.25,204.39,170.49,--,150.68,--,145.34,121.07,152.61,172.09,241.35, 总资产周转天数(天),656.77,673.4,735.29,774.03,854.16,978.79,1764.71,748.6,914.94,929.27,1565.22,1013.51,890.5,990.64,2078.52,1095.22,1221.17,1407.35,3249.1,930.71,780.57,710.06,--,646.32,--,--,520.83,--,--,707.55, 流动资产周转率(次),0.65,0.43,0.2,0.75,0.51,0.29,0.08,0.83,0.53,0.35,0.11,0.58,0.42,0.25,0.06,0.42,0.27,0.16,0.03,0.48,0.47,0.34,--,0.78,--,0.85,0.5,0.79,0.8,77.73, 流动资产周转天数(天),413.03,416.47,457.78,478.72,531.18,611.83,1115.24,434.31,507.9,521.59,835.65,622.3,639.81,722.31,1528.01,867.05,1006.71,1156.81,2694.61,749.53,579.15,526.62,--,460.65,--,424.23,357.64,455.87,450.56,4.63, 经营现金净流量对销售收入比率(%),0.04,0.02,0,0.03,-0.04,-0.12,-0.5,-0.08,-0.17,-0.16,-0.01,-0.02,-0.28,-0.29,-1,-0.06,-0.33,-0.25,-0.61,0.19,0.14,0.31,0.41,0.15,-0.04,0.19,0.18,0.01,0.2,-0.15, 资产的经营现金流量回报率(%),0.02,0,0,0.01,-0.01,-0.02,-0.02,-0.03,-0.05,-0.03,-0,-0.01,-0.08,-0.05,-0.04,-0.02,-0.07,-0.03,-0.02,0.06,0.05,0.08,--,0.08,--,0.11,0.06,0,0.1,-0.08, 经营现金净流量与净利润的比率(%),0.18,0.09,0.01,0.2,-0.27,-0.94,-24.4,-0.52,-1.53,-1.46,-0.14,-0.12,-2.21,-2.1,-172.41,-0.27,-1.4,-1.02,--,0.79,0.56,1.15,2.71,0.67,-0.19,1.13,0.97,0.04,0.95,-0.71, 经营现金净流量对负债比率(%),0.03,0.01,0,0.03,-0.03,-0.04,-0.04,-0.07,-0.1,-0.06,-0,-0.01,-0.42,-0.33,-0.52,-0.16,-0.81,-0.33,-0.24,0.35,0.2,0.32,--,0.28,--,0.4,0.2,0.01,0.3,-0.12, 现金流量比率(%),4.66,1.39,0.11,4.78,-4.45,-6.05,-7.42,-8.78,-12.59,-7.65,-0.12,-1.56,-43.13,-34.71,-56.07,-17.05,-88.15,-35.24,-26.64,37,21.11,33.38,--,28.79,--,42.17,20.61,0.94,30.47,-14.41,