报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2008-12-31,2007-12-31, 应收账款周转率(次),0.39,2.39,1.44,0.9,0.3,2.34,1.48,0.97,0.42,2.19,1.35,0.86,0.37,1.76,0.97,0.63,0.26,1.42,0.92,0.65,0.31,2.02,1.27,0.88,0.39,2.36,1.63,1.14,0.62,3.11,1.77,1.2,0.51,3.75,2.06,1.46,0.67,4.33,2.38,1.41,0.69,4.22,2.63,--,--,4.38,4.75,3.53, 应收账款周转天数(天),229.71,150.75,187.84,199.23,297.62,154.04,181.98,185.97,213.78,164.34,200.07,208.31,241.61,204.19,279.27,285.31,348.84,253.81,294.63,277.52,290.79,178.58,212.05,205.41,229.71,152.87,166.15,157.6,146.27,115.7,152.76,150.34,175.95,95.88,131.38,123.47,134.33,83.12,113.54,127.46,129.85,85.29,102.63,--,--,82.23,75.79,102.01, 存货周转率(次),0.58,3.99,2.38,1.6,0.51,4.12,2.55,1.64,0.76,3.97,2.15,1.35,0.58,4.08,2.38,1.68,0.7,4.72,3.21,2.33,1.04,5.68,3.45,2.28,0.87,5.4,4.22,2.78,1.27,6.06,2.92,1.97,0.79,4.98,2.42,1.37,0.66,3.88,2.05,0.91,0.49,3.67,2,--,--,3.95,3.32,2.49, 固定资产周转率(次),--,2.47,--,1.06,--,2.49,--,0.98,--,2.25,--,1,--,2.05,--,0.81,--,1.92,--,1.03,--,2.53,--,1.05,--,2.22,--,1.24,--,3.42,--,1.95,--,8.83,--,5.02,--,21.47,--,6.75,--,14.07,7.52,--,--,9.91,8.2,1, 总资产周转率(次),0.02,0.17,0.12,0.07,0.03,0.21,0.14,0.09,0.04,0.21,0.14,0.09,0.04,0.19,0.12,0.08,0.03,0.23,0.17,0.12,0.08,0.43,0.29,0.19,0.08,0.37,0.26,0.17,0.08,0.39,0.25,0.17,0.08,0.48,0.3,0.19,0.08,0.6,0.37,0.2,0.09,0.86,0.5,--,--,0.82,0.99,1, 存货周转天数(天),155.49,90.28,113.24,112.7,177.17,87.46,106.08,109.81,118.19,90.65,125.79,133.5,155.95,88.29,113.39,106.98,128.52,76.24,84.17,77.22,86.68,63.39,78.23,78.93,103.13,66.62,63.94,64.78,70.86,59.42,92.36,91.25,114.03,72.23,111.61,131.1,135.97,92.85,131.61,198.63,185.15,97.97,134.79,--,--,91.07,108.49,144.58, 总资产周转天数(天),4615.38,2176.54,2268.91,2425.88,3515.63,1711.84,1955.11,2088.17,2158.27,1724.14,1952.28,2107.73,2445.65,1895.73,2276.56,2331.61,2922.08,1549.05,1550.83,1445.78,1149.43,831.6,924.02,937.01,1192.05,980.93,1055.51,1036.27,1184.21,913.71,1066.77,1044.08,1188.9,746.89,893.15,969.83,1149.43,596.52,725.42,878.91,955.41,418.6,535.18,--,--,438.97,364.08,359.96, 流动资产周转率(次),0.02,0.19,0.14,0.09,0.03,0.25,0.16,0.1,0.05,0.25,0.16,0.1,0.04,0.22,0.14,0.09,0.04,0.28,0.21,0.15,0.1,0.56,0.38,0.25,0.1,0.47,0.32,0.21,0.09,0.46,0.3,0.2,0.09,0.54,0.37,0.21,0.09,0.68,0.42,0.23,0.1,1.02,0.6,--,--,0.95,1.14,119.63, 流动资产周转天数(天),4000,1875,1959.36,2085.75,3010.03,1464.01,1665.64,1775.15,1836.73,1466.4,1654.41,1785.71,2073.73,1607.86,1928.57,1971.52,2465.75,1272.98,1277.8,1204.82,886.7,638.41,702.58,706.99,900,768.74,842.17,846.66,971.92,777.71,905.13,885.39,1051.4,668.52,724.25,871.67,1029.75,530.5,647.48,791.91,870.41,353.53,448.95,--,--,379.07,316.85,3.01, 经营现金净流量对销售收入比率(%),-0.59,0.26,-0.01,-0.19,-0.68,0.23,0.09,0.17,-0.08,0.21,-0.07,-0.09,-0.46,0.32,0.14,0.23,-0,0.17,-0.09,-0.02,-0.22,0.17,-0.02,-0.05,-0.11,0.18,-0.09,-0.09,-0.17,0.38,0.16,0.16,-0.22,0.3,0.09,0.31,0.08,0.06,-0.26,-0.72,-1.1,0.22,0.05,--,-1.16,0.23,0.23,0.16, 资产的经营现金流量回报率(%),-0.01,0.04,-0,-0.01,-0.02,0.05,0.01,0.01,-0,0.04,-0.01,-0.01,-0.02,0.06,0.02,0.02,0,0.03,-0.01,-0,-0.02,0.07,-0.01,-0.01,-0.01,0.06,-0.02,-0.02,-0.01,0.15,0.04,0.03,-0.02,0.13,0.03,0.06,0.01,0.02,-0.07,-0.1,-0.07,0.16,0.02,--,--,0.17,0.19,0.16, 经营现金净流量与净利润的比率(%),-1.74,0.83,-0.02,-0.76,-2.67,0.99,0.39,0.72,-0.43,0.97,-0.3,-0.4,-2.29,1.81,0.68,1.17,-0.01,1.06,-0.6,-0.13,-1.31,0.79,-0.11,-0.24,-0.6,0.66,-0.39,-0.36,-0.77,1.39,0.67,0.68,-1.05,1.03,0.37,1.29,0.4,0.2,-1.05,-2.89,-5.66,0.8,0.19,--,-8.44,1.01,0.93,0.58, 经营现金净流量对负债比率(%),-0.18,0.52,-0.01,-0.16,-0.18,0.41,0.13,0.14,-0.03,0.35,-0.08,-0.07,-0.17,0.5,0.16,0.17,-0,0.33,-0.13,-0.02,-0.09,0.35,-0.03,-0.05,-0.05,0.3,-0.18,-0.11,-0.1,1.1,0.39,0.24,-0.13,0.97,0.22,0.35,0.06,0.21,-0.8,-0.88,-0.74,0.45,0.07,--,--,0.41,0.45,0.36, 现金流量比率(%),-18.84,54.23,-0.77,-16.5,-19.12,42.42,13.11,14.43,-2.65,36.51,-8.64,-7.78,-17.38,51.96,16.29,18.36,-0.04,34.58,-13.74,-1.99,-9.8,36.89,-3.55,-5.85,-5.4,31.51,-19.24,-11.43,-11.05,118.91,45.73,27.15,-14.27,99.14,21.74,35.1,6.38,20.81,-80.24,-88.32,-74.05,45.14,6.81,--,--,40.65,45.4,36.31,