报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),0.58,0.47,0.18,1.38,0.98,0.62,0.28,2.39,1.1,0.89,0.37,1.34,0.98,0.74,0.43,1.39,0.96,0.75,0.39,1.39,0.95,0.67,0.29,1.46,1.05,0.82,--,1.84,--,--,--,1.86,2.31,2.33, 应收账款周转天数(天),462.25,384.53,493.42,260.51,275.62,288.14,318.13,150.48,245.5,202.04,243.11,269.32,275.37,244.73,211.57,259.07,281.51,238.82,232.2,258.92,284.09,268.46,306.44,246.59,256.48,219.22,--,195.76,--,--,--,193.08,156.14,154.68, 存货周转率(次),0.51,0.43,0.14,0.92,0.65,0.42,0.17,1.37,0.72,0.64,0.19,0.79,0.55,0.43,0.22,0.69,0.48,0.47,0.26,0.69,0.45,0.29,0.12,0.69,0.43,0.4,--,0.73,--,--,--,0.64,0.95,1.03, 固定资产周转率(次),--,4.86,--,14.66,--,7.51,--,17.78,--,2.81,--,6.32,--,3.46,--,18.3,--,10.07,--,13.61,--,5.67,--,10.52,--,4.86,--,9.5,--,--,--,--,--,0.63, 总资产周转率(次),0.17,0.15,0.05,0.43,0.32,0.22,0.09,0.71,0.26,0.22,0.08,0.31,0.23,0.18,0.1,0.31,0.21,0.18,0.09,0.3,0.2,0.13,0.06,0.34,0.22,0.18,--,0.46,--,--,--,0.45,--,0.63, 存货周转天数(天),529.72,423.03,637.39,389.27,416.02,427.66,521.74,262.87,374.22,281.69,470.47,458.13,487.1,415.7,417.25,524.48,562.97,381.44,347.22,523.87,595.5,614.12,735.9,522.65,628.2,445.54,--,494.85,--,--,--,564.88,378.71,350.37, 总资产周转天数(天),1554.4,1229.51,1648.35,836.04,850.66,824.18,953.39,508.12,1021.18,814.11,1079.14,1168.45,1176.47,1008.97,911.85,1179.94,1293.72,989.55,965.67,1214.57,1348.65,1350.34,1627.49,1047.12,1255.23,1006.71,--,774.36,--,--,--,794,--,573.52, 流动资产周转率(次),0.22,0.19,0.07,0.53,0.38,0.26,0.11,0.83,0.3,0.25,0.1,0.35,0.26,0.2,0.11,0.34,0.23,0.2,0.1,0.32,0.21,0.14,0.06,0.37,0.23,0.19,--,0.5,--,--,--,0.5,0.64,68.72, 流动资产周转天数(天),1203.21,952.89,1300.58,683.76,706.07,684.93,792.95,431.5,900,714.29,945.38,1028.28,1028.57,879.34,795.76,1066.03,1179.55,907.26,890.21,1130.65,1272.98,1272.08,1528.01,978.26,1175.96,944.88,--,714.29,--,--,--,724.78,559.79,5.24, 经营现金净流量对销售收入比率(%),0.32,0.16,0.36,-0.08,-0.15,-0.55,-1.15,0.21,0.27,0.2,-0.18,0.23,0.14,0.09,0.12,0.04,-0.03,-0.29,-0.62,0.03,0.02,-0.07,0.07,-0.14,-0.25,-0.26,-0.08,0.21,0.36,0.33,0.34,0.11,0.37,0.11, 资产的经营现金流量回报率(%),0.06,0.02,0.02,-0.04,-0.05,-0.13,-0.11,0.09,0.07,0.04,-0.02,0.07,0.03,0.02,0.01,0.01,-0.01,-0.05,-0.06,0.01,0,-0.01,0,-0.04,-0.04,-0.04,--,0.09,--,--,--,0.05,0.2,0.07, 经营现金净流量与净利润的比率(%),13.34,4.56,10.55,-0.78,-0.76,-2.91,-7.81,1.09,1.42,1.23,-0.88,1.15,0.66,0.35,0.38,0.22,-0.19,-2.14,-9.58,0.14,0.07,-0.24,0.41,-0.63,-1.08,-1.09,-0.92,0.72,1.33,1.15,2.54,0.36,1.21,0.47, 经营现金净流量对负债比率(%),0.17,0.07,0.05,-0.11,-0.13,-0.33,-0.27,0.19,0.25,0.16,-0.06,0.23,0.13,0.07,0.05,0.04,-0.02,-0.2,-0.22,0.03,0.01,-0.04,0.02,-0.14,-0.19,-0.19,--,0.25,--,--,--,0.11,0.44,0.13, 现金流量比率(%),25.21,10.53,9.25,-18.74,-20.94,-46.94,-36.41,23.16,26.08,17.29,-5.85,24.57,14.23,7.02,5.17,4.2,-2.02,-20.91,-22.86,3.52,1.26,-4.16,1.78,-15.11,-20.3,-20.03,--,26.23,--,--,--,11.39,46.27,13.43,