报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2007-12-31, 应收账款周转率(次),0.16,1.09,0.71,0.45,0.12,1.41,0.84,0.55,0.24,1.66,0.99,0.55,0.33,2.22,1.34,0.96,0.49,2.24,1.28,0.72,0.3,2.51,1.15,0.7,0.25,1.73,1.21,0.89,0.43,1.94,1.18,0.8,0.35,1.96,1.01,0.69,0.35,2.24,1.62,1.26,0.39,3.28,1.43,0.94,0.53,4.47,--,--,--,4.03,4.84, 应收账款周转天数(天),580.27,331.31,380.23,398.49,724.64,255.39,322.54,325.44,373.6,216.28,273.03,328.89,269.38,161.9,201.1,188.11,182.26,160.4,211.57,248.86,304.16,143.15,235.46,258.32,364.23,208.12,224.05,203.3,209.84,185.75,229.24,224.89,257.51,183.84,267.7,261.02,257.95,160.86,166.82,143.23,232.26,109.86,188.82,191,684.93,80.58,--,--,--,89.29,74.32, 存货周转率(次),0.32,2.01,1.04,0.7,0.18,1.94,0.95,0.56,0.24,1.75,0.83,0.44,0.3,1.74,1.05,0.78,0.37,1.82,0.86,0.42,0.22,1.86,0.97,0.49,0.17,0.84,0.64,0.43,0.21,1.12,0.62,0.44,0.18,0.96,0.58,0.38,0.17,1.27,0.81,0.87,0.2,1.86,0.49,0.36,0.19,1.84,--,--,--,1.56,2.43, 固定资产周转率(次),--,1.47,--,0.71,--,1.67,--,0.57,--,1.36,--,0.42,--,1.33,--,0.56,--,0.9,--,0.25,--,1.18,--,0.7,--,2.61,--,3.66,--,8.63,--,3.33,--,9,--,3.57,--,7.93,--,3.09,--,7.32,--,1.78,1.84,8.02,--,--,--,10.1,1.12, 总资产周转率(次),0.04,0.27,0.18,0.11,0.03,0.31,0.18,0.11,0.05,0.29,0.16,0.09,0.06,0.31,0.2,0.14,0.06,0.26,0.14,0.08,0.03,0.29,0.16,0.09,0.03,0.21,0.17,0.12,0.06,0.25,0.17,0.11,0.05,0.22,0.11,0.07,0.03,0.15,0.09,0.06,0.02,0.22,0.1,0.05,0.1,0.96,--,--,--,1.05,1.12, 存货周转天数(天),277.09,179.18,259.49,255.94,487.28,185.79,283.23,320.46,377.68,205.73,324.71,412.56,295.18,207.49,256.73,230.86,243.37,197.7,313.59,431.55,411.71,193.12,278.24,368.78,526.01,426.54,422.47,417.25,426.95,320.06,432.97,408.72,493.42,374.45,464.56,471.2,532.23,283.2,334.12,206.71,458.48,193.92,556.13,506.33,1854.71,196.12,--,--,--,230.41,147.86, 总资产周转天数(天),2244.39,1315.31,1500,1585.9,2839.12,1156.07,1511.76,1604.28,1935.48,1260.95,1651.38,1984.56,1627.49,1174.93,1347.31,1307.19,1435.41,1383.55,1873.7,2214.02,2601.16,1254.36,1663.59,2017.94,3202.85,1723.31,1633.39,1446.95,1636.36,1416.77,1599.53,1628.96,1744.19,1637.11,2463.5,2604.92,2941.18,2406.42,3165.3,3061.22,4500,1668.98,2783.51,3711.34,3684.75,373.44,--,--,--,341.65,320.31, 流动资产周转率(次),0.07,0.49,0.31,0.2,0.06,0.58,0.33,0.21,0.09,0.54,0.3,0.17,0.1,0.59,0.4,0.28,0.13,0.55,0.32,0.18,0.08,0.59,0.34,0.19,0.06,0.34,0.25,0.17,0.08,0.31,0.19,0.12,0.06,0.23,0.11,0.07,0.03,0.16,0.09,0.06,0.02,0.23,0.1,0.05,0.11,1.15,--,--,--,1.22,121.45, 流动资产周转天数(天),1267.61,738.61,870.69,916.03,1584.51,621.23,811.05,849.86,1016.95,671.14,896.41,1068.25,873.79,608.62,676.86,650.29,712.59,655.98,845.07,996.68,1167.32,605.65,794.59,950.37,1559.79,1071.43,1070.15,1044.08,1178.01,1173.79,1437.7,1487.6,1633.39,1553.06,2349.87,2493.07,2803.74,2318.09,3054.3,2950.82,4347.83,1592.22,2665.35,3564.36,3146.85,313.26,--,--,--,295.66,2.96, 经营现金净流量对销售收入比率(%),-0.76,0.21,-0.02,-0.08,-0.63,0,-0.2,-0.14,-0.35,-0.09,-0.21,-0.62,-0.76,0.09,-0.35,-0.48,-0.78,0.06,-0.06,-0.08,-0.72,0.09,-0.02,-0.29,-0.73,0.09,-0.07,-0,-0.08,0.42,-0.02,-0.25,-0.76,-0.09,-0.41,-0.6,-0.7,-0.09,-0.2,-0.11,-0.92,0.19,-0.41,-0.35,-0.5,0.45,0.35,--,-2.75,0.17,0.25, 资产的经营现金流量回报率(%),-0.03,0.05,-0,-0.01,-0.02,0,-0.04,-0.02,-0.02,-0.02,-0.03,-0.06,-0.04,0.03,-0.07,-0.06,-0.05,0.01,-0.01,-0.01,-0.03,0.02,-0,-0.03,-0.02,0.02,-0.01,-0,-0,0.1,-0,-0.03,-0.04,-0.02,-0.04,-0.04,-0.02,-0.01,-0.02,-0.01,-0.02,0.02,-0.02,-0.01,-0.05,0.36,--,--,--,0.16,0.28, 经营现金净流量与净利润的比率(%),--,3.76,-5.32,--,--,0.04,-10.1,-3.05,--,-3.65,--,--,--,1.29,-6.75,-14.47,--,0.25,-1.07,-1.63,--,0.9,--,--,--,0.72,-0.25,-0,-0.42,1.05,-0.05,-0.65,-4.24,-0.22,-1.45,-2.01,-4.55,-0.22,-0.67,-0.37,-7.37,0.41,-1.12,-2.12,-9.18,1.03,1.09,--,--,0.48,0.77, 经营现金净流量对负债比率(%),-0.11,0.17,-0.01,-0.03,-0.1,0,-0.2,-0.08,-0.08,-0.11,-0.15,-0.27,-0.2,0.11,-0.31,-0.3,-0.24,0.08,-0.06,-0.05,-0.19,0.15,-0.03,-0.41,-0.52,0.42,-0.32,-0,-0.13,2.22,-0.09,-0.29,-1.26,-0.38,-2.02,-1.28,-1.13,-0.4,-1.16,-0.46,-0.96,1.36,-1.64,-0.92,-1.15,4.77,--,--,--,1.07,0.9, 现金流量比率(%),-11.4,17.75,-1.42,-3.3,-10.26,0.24,-22.26,-9.56,-8.9,-12.63,-16.45,-30.28,-22.08,12.41,-35.08,-33.38,-26.41,9.08,-6.29,-5.85,-22.79,17.09,-3.51,-51.03,-56.76,46.31,-35.53,-0.21,-14.67,250.24,-10.02,-30.83,-147.71,-43.65,-211.81,-131.19,-115.4,-42.06,-123.19,-46.77,-96.57,140.27,-168.73,-94.35,-123.72,493.32,--,--,--,107.1,89.98,