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, 应收账款周转率(次),0.34,1.56,0.94,0.54,0.18,1.25,0.86,0.56,0.26,1.55,1.05,0.69,0.32,1.7,1.14,0.73,0.3,1.3,0.84,0.48,0.2,1.7,1.08,0.73,0.33,1.57,1.17,0.79,0.32,1.83,1.35,0.91,0.42,2.46,1.82,1.16,0.44,2.79,2.11,1.46,0.66,4,--,--,--,3.67,3.63, 应收账款周转天数(天),267.7,230.53,287.51,331.61,495.32,287.68,313.73,319.83,351.01,231.73,258.18,260.72,281.07,211.78,236.24,245,297.23,277.07,322.5,377.52,447.76,212.23,249.75,246.17,271.25,229.99,231.72,228.02,280.02,196.21,200.61,198.26,214.54,146.15,148.51,154.75,203.21,129.09,127.85,123.2,135.5,90.05,--,--,--,98.19,99.18, 存货周转率(次),1.41,7.26,3.51,1.91,0.67,6.35,4.1,2.77,1.22,7.77,4.77,3.13,1.48,8.72,5.27,3.54,1.39,6.44,3.65,2.02,1.04,9.29,6.32,4.92,2.13,14.89,22.39,14.4,6.59,29.32,22.03,12.67,5.28,28.56,22.07,12.73,4.54,29.25,19.5,12.88,6.49,42.27,--,--,--,42.84,47.54, 固定资产周转率(次),--,5.31,--,1.83,--,4.44,--,2.06,--,5.15,--,2.37,--,4.96,--,2.12,--,3.54,--,1.36,--,3.62,--,1.12,--,2.56,--,1.55,--,2.91,--,1.35,--,3.06,--,1.44,--,3.07,--,1.79,1.52,4.34,--,--,--,6.64,1.52, 总资产周转率(次),0.09,0.46,0.28,0.16,0.05,0.4,0.27,0.18,0.08,0.54,0.39,0.26,0.11,0.65,0.47,0.29,0.12,0.52,0.34,0.19,0.08,0.68,0.4,0.27,0.11,0.6,0.51,0.33,0.13,0.74,0.53,0.38,0.16,0.87,0.64,0.4,0.13,0.89,0.65,0.41,0.25,1.41,--,--,--,1.36,1.52, 存货周转天数(天),63.92,49.57,76.86,94.09,134.67,56.71,65.78,64.88,73.71,46.34,56.63,57.47,60.86,41.26,51.23,50.85,64.89,55.87,73.96,88.98,86.43,38.74,42.71,36.62,42.34,24.17,12.06,12.5,13.66,12.28,12.26,14.21,17.05,12.6,12.23,14.14,19.83,12.31,13.85,13.98,13.87,8.52,--,--,--,8.4,7.57, 总资产周转天数(天),1023.89,785.17,975.08,1124.3,1720.84,889.11,989.74,997.78,1100.24,666.05,694.09,705.61,802.85,557.71,579.52,612.04,777.2,693.91,797.4,923.55,1094.89,533.02,677.71,673.15,787.4,595.14,534.34,538.92,679.25,483.29,511.07,473.93,547.78,412.8,424.53,452.15,680.79,402.32,417.57,434.99,366.6,254.71,--,--,--,264.92,237.39, 流动资产周转率(次),0.18,0.92,0.56,0.32,0.1,0.84,0.58,0.37,0.17,1.04,0.72,0.47,0.21,1.09,0.76,0.48,0.19,0.84,0.55,0.31,0.13,1.13,0.74,0.51,0.22,1.09,0.85,0.56,0.22,1.19,0.78,0.59,0.25,1.33,0.95,0.61,0.21,1.44,0.96,0.61,0.45,2.39,--,--,--,2.31,289.44, 流动资产周转天数(天),487.8,389.27,485.79,560.4,858.78,428.62,469.16,482.96,517.24,345.19,374.74,380.55,430.42,331,354.42,372.44,463.68,429.8,495.14,573.98,682.85,317.85,364.32,353.5,414.75,331.46,319,321.31,402.32,301.36,347.94,306.64,355.87,271.51,283.32,293.49,437.96,250.45,280.9,295.57,201.39,150.76,--,--,--,155.64,1.24, 经营现金净流量对销售收入比率(%),-0.23,0.09,0.09,0.12,0.11,0.09,0.18,-0.03,-0.17,0.08,0.05,-0.08,-0.09,-0.03,-0.06,-0.11,-0.26,-0.06,-0.04,-0.15,-0.13,-0.01,0.01,-0.03,0.05,0.03,-0.02,-0.02,0.02,-0.02,-0.04,-0.02,0.01,0.01,-0.05,-0.09,-0.17,-0.05,-0.08,-0.08,-0.07,0.07,--,--,-0.05,0.13,0.04, 资产的经营现金流量回报率(%),-0.02,0.04,0.02,0.02,0.01,0.04,0.05,-0.01,-0.01,0.04,0.02,-0.02,-0.01,-0.02,-0.03,-0.03,-0.03,-0.03,-0.01,-0.03,-0.01,-0.01,0,-0.01,0.01,0.02,-0.01,-0.01,0,-0.01,-0.02,-0.01,0,0.01,-0.03,-0.03,-0.02,-0.03,-0.04,-0.03,-0.02,0.09,--,--,--,0.15,0.06, 经营现金净流量与净利润的比率(%),-33.01,5.33,4.22,7.97,--,--,5.72,-0.85,-2.96,2.07,1.06,-1.5,-2.05,-0.53,-1.14,-1.8,-12.91,-1.49,-2.36,--,--,-0.26,0.57,--,--,1.63,-0.88,-0.73,1.48,-0.41,-0.68,-0.39,0.28,0.17,-0.81,-1.33,-2.96,-0.59,-0.81,-0.83,-1.07,0.58,--,--,-0.74,0.99,0.36, 经营现金净流量对负债比率(%),-0.04,0.08,0.05,0.04,0.01,0.08,0.11,-0.01,-0.03,0.07,0.04,-0.03,-0.02,-0.04,-0.06,-0.07,-0.07,-0.06,-0.03,-0.09,-0.04,-0.02,0.01,-0.03,0.02,0.05,-0.02,-0.01,0.01,-0.03,-0.04,-0.02,0.01,0.03,-0.1,-0.12,-0.1,-0.16,-0.2,-0.12,-0.09,0.37,--,--,--,0.42,0.11, 现金流量比率(%),-7.24,12.54,10,7.95,1.99,11.82,16.57,-1.58,-3.91,9.19,4.25,-3.84,-2.34,-4.9,-9.77,-12.65,-15.33,-10.16,-6.78,-13.6,-6.36,-3.17,1.62,-5.27,3.65,7.75,-3.94,-2.28,1.04,-4.26,-6.12,-2.36,0.54,2.86,-10.74,-13.27,-11.6,-18.99,-22.59,-13.33,-9.22,38.12,--,--,--,43.62,11.24,