报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2008-12-31,2007-12-31, 应收账款周转率(次),0.53,3.09,2.13,1.32,0.46,2.9,2.01,1.2,0.51,2.65,1.73,1.07,0.53,2.33,1.63,1.06,0.41,2.26,1.54,1.03,0.43,2.6,1.95,1.37,0.65,3.36,2.56,1.53,0.67,4.24,2.82,1.83,0.86,3.64,2.31,1.46,0.65,4.21,3.04,2.03,0.86,4.53,3.1,2.1,--,4.29,--,4.86,4.25, 应收账款周转天数(天),168.29,116.49,126.59,136.88,193.92,124.26,134.63,150.4,176.44,135.84,156.49,168,168.38,154.33,165.83,170.08,222,159.59,175.42,175.18,210.58,138.63,138.18,131.25,137.59,107.3,105.37,117.96,134.43,84.81,95.91,98.11,104.74,98.91,117.09,123.19,138.87,85.5,88.8,88.81,104.59,79.52,87.19,85.77,--,83.87,--,74.08,84.66, 存货周转率(次),0.65,4.26,2.64,1.67,0.52,4.39,3.27,1.89,0.82,4.28,2.5,1.73,0.88,4.04,2.65,1.88,0.71,4.11,2.8,1.8,0.8,3.56,2.48,1.75,0.88,3.57,2.56,1.55,0.73,3.72,2.55,1.67,0.61,2.99,1.8,1.22,0.52,3.72,2.24,1.68,0.52,3.72,2.41,1.82,--,3.87,--,5.32,5.16, 固定资产周转率(次),--,16.96,--,7.71,--,15.24,--,6.37,--,13.29,--,6.07,--,10.99,--,4.91,--,9.31,--,4.17,--,8.93,--,4.32,--,9.18,--,4,--,9.4,--,4.26,--,8.12,--,3.5,--,12.57,--,8.58,--,15.76,21.67,7.23,--,13.76,--,14.93,1.57, 总资产周转率(次),0.15,1,0.73,0.44,0.15,0.95,0.72,0.43,0.17,0.87,0.57,0.38,0.19,0.75,0.52,0.33,0.12,0.65,0.45,0.29,0.12,0.69,0.49,0.35,0.17,0.85,0.67,0.4,0.18,0.98,0.68,0.46,0.18,0.8,0.51,0.32,0.14,0.88,0.64,0.4,0.15,0.97,0.91,0.6,--,1.32,--,1.74,1.57, 存货周转天数(天),138.16,84.59,102.36,107.85,172.31,82.03,82.56,95.47,109.22,84.02,108.16,103.84,102.12,89.03,101.88,95.57,127.03,87.63,96.54,99.96,112.78,101.22,108.81,103.14,101.94,100.93,105.34,116.44,123.07,96.75,105.72,107.77,146.87,120.38,150.15,147.34,173.98,96.78,120.45,107.24,172.05,96.9,111.87,99.06,--,92.91,--,67.66,69.8, 总资产周转天数(天),593.28,359.17,369.76,413.41,605.25,378.75,376.25,423.33,532.54,415.99,473.93,470.34,474.68,480.32,519.63,538.12,760.14,550.29,598.01,621.98,771.21,522.42,550.23,509.63,528.79,424.33,405.1,451.13,489.66,365.97,395.26,388.77,499.45,450.11,525.19,555.9,641.94,408.35,425.13,451.13,586.7,372.36,297.98,297.62,--,272.89,--,207.04,229.07, 流动资产周转率(次),0.2,1.3,0.94,0.56,0.19,1.18,0.9,0.53,0.21,1.09,0.75,0.51,0.24,1.03,0.72,0.48,0.17,0.92,0.61,0.38,0.16,0.92,0.67,0.49,0.22,1.06,0.79,0.47,0.22,1.18,0.81,0.56,0.22,0.95,0.61,0.38,0.16,1.02,0.74,0.46,0.18,1.14,1.13,0.75,--,1.58,--,2.09,196.15, 流动资产周转天数(天),440.96,277.44,288.06,323.62,481.8,304.77,299.33,336.57,424.13,329.61,360.91,356.29,372.05,350.95,376.2,378.47,522.04,390.67,445.84,470.1,567.82,389.36,403.47,368.4,400.53,338.22,343.03,379.83,413.22,305.42,332.39,321.77,417.25,379.51,443.57,468.63,545.79,351.56,367,391.99,510.78,316.79,239.26,239.14,--,228.3,--,171.87,1.84, 经营现金净流量对销售收入比率(%),0.14,0.14,0.03,0.14,0.01,0.07,-0.03,-0.08,0.02,0.1,-0.03,-0.16,-0.09,-0.07,-0.19,-0.15,-0.27,0.08,0.05,0.15,0.05,0,-0.04,0.05,0.23,0.05,-0.04,-0.11,-0.14,-0,-0.14,-0.17,-0.33,0.12,-0.08,-0.11,-0.05,-0.07,-0.32,-0.41,-0.74,-0.04,-0.07,-0.07,--,0.08,0.02,0.09,0.06, 资产的经营现金流量回报率(%),0.02,0.13,0.02,0.06,0,0.07,-0.02,-0.04,0,0.08,-0.02,-0.06,-0.02,-0.05,-0.1,-0.05,-0.03,0.05,0.02,0.04,0.01,0,-0.02,0.02,0.04,0.04,-0.03,-0.04,-0.02,-0,-0.09,-0.08,-0.06,0.09,-0.04,-0.03,-0.01,-0.06,-0.2,-0.16,-0.11,-0.03,-0.06,-0.04,--,0.09,--,0.14,0.1, 经营现金净流量与净利润的比率(%),1.43,1.65,0.28,1.22,0.13,1.03,-0.34,-1.02,0.37,2.41,-0.81,-5.01,-2.6,-1.23,-2.89,-2.04,-2.81,0.78,0.46,1.42,0.66,0,-0.49,0.56,5.81,0.9,-0.73,-2.05,-4.98,-0.01,-1.33,-4.03,-10.06,1.68,-1.05,-1.91,-0.69,-0.95,-3.23,-4.75,-6.1,-0.3,-0.51,-0.62,--,0.46,0.14,1.17,1.32, 经营现金净流量对负债比率(%),0.09,0.52,0.09,0.23,0.01,0.34,-0.15,-0.22,0.02,0.27,-0.05,-0.17,-0.07,-0.19,-0.34,-0.17,-0.11,0.16,0.07,0.12,0.02,0,-0.06,0.06,0.17,0.13,-0.11,-0.18,-0.11,-0.01,-0.43,-0.56,-0.29,0.48,-0.17,-0.15,-0.04,-0.28,-1.22,-0.72,-0.53,-0.15,-0.16,-0.09,--,0.19,--,0.22,0.15, 现金流量比率(%),11.55,65.72,11.15,28.57,0.86,37.61,-17.71,-25.28,2.72,29.03,-5.11,-17.87,-7.08,-20.76,-35.36,-17.39,-11.28,16.97,6.82,12.66,1.69,0.08,-5.67,6.55,17.95,13.05,-10.65,-18.15,-10.57,-0.56,-42.65,-55.67,-29.18,47.84,-17.19,-14.67,-3.96,-28.09,-121.66,-72.32,-53.47,-14.85,-16.45,-9.47,--,19.53,--,22.13,14.56,