报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31, 应收账款周转率(次),2.1,1.38,0.55,3.01,2.06,1.4,0.43,2.42,1.43,0.93,0.47,2.1,1.62,0.93,0.12,1.67,1.07,0.79,0.35,0.77,0.45,0.23,0.1,2.02,1.61,1.11,0.23,2.47,1.64,1.09,--,3.08,--,3.27,3.42,2.71,3.35,3.6, 应收账款周转天数(天),128.76,130.07,163.04,119.77,131.34,128.71,209.11,148.83,188.32,192.55,192.47,171.36,166.51,193.51,725.81,216.05,251.87,228.83,260.79,466.56,598.94,779.56,884.09,177.8,167.55,161.9,383.96,145.78,164.84,164.97,--,116.73,--,110.22,105.34,133.01,107.44,100, 存货周转率(次),1.24,0.86,0.3,1.44,1.19,0.69,0.19,1.33,0.88,0.7,0.38,1.68,1,0.56,0.08,1.33,0.79,0.61,0.25,0.78,0.47,0.27,0.14,1.74,1.05,0.72,0.14,1.63,1.28,0.75,--,1.87,--,1.62,2.08,1.93,2.25,2.04, 固定资产周转率(次),--,1.44,--,2.59,--,1.27,--,2.1,--,0.93,--,1.74,--,0.63,--,1.17,--,0.57,--,0.73,--,0.28,--,2.1,--,0.99,--,2.12,--,0.94,--,2.3,--,2.1,2.25,--,--,0.84, 总资产周转率(次),0.48,0.32,0.12,0.63,0.5,0.31,0.1,0.57,0.34,0.24,0.12,0.51,0.33,0.17,0.02,0.34,0.21,0.16,0.07,0.18,0.11,0.06,0.03,0.44,0.29,0.2,0.04,0.5,0.38,0.25,--,0.67,--,0.64,0.72,0.61,--,0.84, 存货周转天数(天),217.41,209.33,301.81,250.17,226.62,259.93,462.25,271.49,306.12,258.03,236.72,214.68,270.27,322.06,1089.59,270.31,342.03,294.21,361.59,460.24,571.31,659.1,638.3,206.74,257.04,249.2,634.7,220.28,211.65,238.95,--,192.37,--,221.91,173.45,186.57,160.01,176.31, 总资产周转天数(天),559.35,562.15,771.87,567.91,541.08,575.45,946.37,631.47,798.82,749.69,729.93,702.58,829.24,1045.3,4000,1070.15,1289.4,1099.57,1291.25,2030.46,2459.02,3103.45,3422.05,817.62,932,891.09,2313.62,714.43,719.04,716.85,--,538.52,--,558.4,499.1,586.32,--,429.08, 流动资产周转率(次),0.67,0.45,0.17,0.92,0.71,0.45,0.14,0.87,0.5,0.36,0.19,0.84,0.53,0.28,0.04,0.56,0.35,0.28,0.12,0.29,0.18,0.09,0.04,0.66,0.42,0.29,0.06,0.73,0.53,0.37,--,1.02,--,1.02,1.18,0.99,1.13,112.67, 流动资产周转天数(天),404.56,402.5,544.79,391.18,378.15,396.48,648.42,413.56,544.46,501.81,467.05,428.32,504.96,654.31,2486.19,640,768.57,644.93,760.14,1253.05,1528.01,1929.26,2132.7,548.36,637.39,615.6,1618.71,495.46,507.42,485.57,--,352.04,--,354.54,305.58,365.48,318.16,3.2, 经营现金净流量对销售收入比率(%),0.2,0.27,0.47,0.05,0.19,0.13,0.07,0.01,0.39,0.44,0.39,-0.01,-0.07,0.18,1.09,0.08,0.09,-0.03,-0.06,-0.26,-0.38,-0.47,-0.78,0.08,0.11,0.1,-0.07,0.11,0.1,0.02,-0.21,0.01,-0.03,-0,0.07,0.04,0.03,0.05, 资产的经营现金流量回报率(%),0.09,0.08,0.05,0.03,0.09,0.04,0.01,0.01,0.12,0.1,0.05,-0,-0.02,0.03,0.02,0.03,0.02,-0,-0,-0.05,-0.04,-0.03,-0.02,0.04,0.03,0.02,-0,0.05,0.03,0.01,--,0,--,-0,0.05,0.03,0.02,0.04, 经营现金净流量与净利润的比率(%),5.13,6.9,13.8,1.36,5.44,3.64,7.32,0.37,15.21,14.79,18.18,-0.5,-9.39,18.05,--,3.44,--,-3.54,--,--,--,--,--,13.34,--,15.24,--,1.67,1.53,0.29,--,0.1,-0.44,-0.02,1.03,0.61,0.51,1.58, 经营现金净流量对负债比率(%),0.13,0.12,0.09,0.05,0.14,0.06,0.01,0.01,0.17,0.14,0.08,-0.01,-0.04,0.05,0.04,0.05,0.04,-0.01,-0.01,-0.09,-0.07,-0.05,-0.04,0.07,0.06,0.04,-0,0.1,0.06,0.01,--,0.01,--,-0,0.07,0.04,0.03,0.06, 现金流量比率(%),13.48,12.51,9.3,5.72,14.96,6.48,1.12,1.23,17.16,14.65,7.72,-0.85,-3.81,4.87,3.95,5.54,4.07,-1.01,-0.97,-11,-9.54,-6.46,-4.78,8.36,6.09,3.83,-0.49,9.89,6.5,0.84,--,0.79,--,-0.17,7.6,4.02,3.01,7,