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),0.4,2.74,1.84,1.28,0.56,2.18,1.28,0.87,0.28,1.35,0.62,0.42,0.17,1.26,0.59,0.4,0.15,1.24,0.72,0.46,0.19,1.27,0.68,0.5,0.18,0.99,0.55,0.45,0.24,0.83,0.43,0.33,0.17,0.67,0.35,0.27,0.09,0.73,0.36,0.27,0.04,1.14,0.8,0.69,0.27,1.68,--,--,--,3.17,5.29, 应收账款周转天数(天),225.51,131.5,146.69,140.55,160.46,165.35,211.12,207.61,317.24,266.86,434.22,433.21,523.56,284.77,458.72,445.21,607.29,290.42,377.41,394.65,477.45,282.71,396.71,363.27,513.99,363.64,488.25,396.91,374.84,434.47,633.06,541.52,527.55,540.87,771.21,656.69,980.39,491.47,752.72,668.9,2528.09,315.98,337.37,262.74,330.76,214.64,--,--,--,113.61,68.1, 存货周转率(次),0.18,1.25,0.51,0.34,0.13,1.14,0.58,0.38,0.06,0.84,0.27,0.17,0.07,0.69,0.22,0.15,0.05,0.55,0.3,0.18,0.09,0.53,0.33,0.22,0.07,0.35,0.2,0.16,0.08,0.33,0.19,0.16,0.08,0.33,0.18,0.14,0.06,0.42,0.2,0.15,0.03,0.61,0.34,0.28,0.1,0.62,--,--,--,0.92,0.79, 固定资产周转率(次),--,4.35,--,1.66,--,2.29,--,0.96,--,2.26,--,0.68,--,2.09,--,0.44,--,1.13,--,0.43,--,0.96,--,0.44,--,0.74,--,0.44,--,1.28,--,0.75,--,4.24,--,2.04,--,5.18,--,1.87,--,7.07,--,3.63,2.86,7.5,--,--,--,--,0.87, 总资产周转率(次),0.1,0.62,0.37,0.24,0.1,0.38,0.24,0.16,0.04,0.25,0.12,0.08,0.04,0.25,0.11,0.08,0.03,0.22,0.13,0.09,0.03,0.22,0.15,0.1,0.03,0.15,0.1,0.08,0.04,0.14,0.09,0.07,0.04,0.12,0.06,0.05,0.02,0.12,0.06,0.04,0.01,0.23,0.14,0.25,0.1,0.57,--,--,--,0.88,0.87, 存货周转天数(天),491,288.02,530.56,523.1,683.37,316.54,464.88,475.81,1393.19,426.59,1003.72,1033.3,1211.31,519.78,1217.86,1217.86,1639.34,655.26,907.26,995.58,1014.66,674.92,813.25,805.01,1319.65,1026.52,1332.68,1098.9,1085.65,1093.56,1453.96,1140.68,1190.48,1081.41,1495.02,1272.08,1541.1,860.01,1376.15,1208.87,3020.13,589.49,782.84,649.35,866.22,582.15,--,--,--,392.93,454.32, 总资产周转天数(天),889.33,576.18,729.34,755.03,945.38,960,1105.65,1150.9,2163.46,1416.77,2315.61,2356.02,2506.96,1449.86,2417.19,2337.66,3272.73,1643.84,2061.07,2013.42,2639.3,1667.44,1846.79,1734.1,2857.14,2369.98,2710.84,2224.97,2331.61,2593.66,3121.39,2500,2500,2985.07,4192.55,3578.53,5960.26,2941.18,4745.17,4205.61,15254.24,1533.22,1935.48,712.03,897.31,631.14,--,--,--,410.54,413.84, 流动资产周转率(次),0.14,0.95,0.58,0.38,0.15,0.63,0.41,0.26,0.07,0.44,0.21,0.13,0.07,0.43,0.19,0.13,0.05,0.38,0.23,0.16,0.06,0.37,0.23,0.16,0.05,0.22,0.15,0.12,0.06,0.18,0.12,0.1,0.05,0.14,0.07,0.06,0.02,0.13,0.06,0.05,0.01,0.25,0.15,0.28,0.11,0.65,--,--,--,0.98,90.82, 流动资产周转天数(天),632.02,379.99,468.1,477.83,584.8,573.07,662.41,688.86,1300.58,825.5,1306.87,1353.38,1384.62,843.09,1391.75,1382.49,1918.98,950.37,1196.28,1098.23,1426.31,972.18,1153.35,1111.8,1737.45,1640.09,1828.03,1524.13,1592.92,2022.47,2193.34,1735.78,1757.81,2586.21,3688.52,3185.84,5357.14,2741.81,4492.51,4000,14516.13,1444.04,1831.75,632.69,795.05,553,--,--,--,368.81,3.96, 经营现金净流量对销售收入比率(%),0.42,-0.01,-0.08,0.11,0.53,0.2,0.04,0.1,1.2,0.27,-0.11,-0.17,-0.63,0.03,-0.38,-0.45,-1.08,-0.15,-0.42,-0.87,-1.05,0.08,-0.38,-0.41,-0.94,-0.15,-1.02,-1.02,-1.36,-0.11,-0.47,-0.92,-0.76,-0.85,-1.14,-0.9,-1.45,-0,-0.16,0.01,-3.62,-0.1,0,0.23,-0.23,0.04,0.33,--,1.52,0.07,-0.34, 资产的经营现金流量回报率(%),0.04,-0,-0.03,0.02,0.05,0.08,0.01,0.02,0.05,0.07,-0.01,-0.01,-0.02,0.01,-0.04,-0.03,-0.03,-0.03,-0.05,-0.08,-0.04,0.02,-0.06,-0.04,-0.03,-0.02,-0.11,-0.09,-0.06,-0.01,-0.04,-0.07,-0.03,-0.1,-0.08,-0.05,-0.02,-0,-0.01,0,-0.02,-0.02,0,0.06,-0.02,0.02,--,--,--,0.05,-0.3, 经营现金净流量与净利润的比率(%),1.15,-0.03,-0.21,0.25,1.5,1.5,0.19,0.44,35.54,2.2,-0.56,-0.54,-56.73,0.54,-3.92,-3.05,-95.79,-1.74,-4.82,-6.82,--,0.84,-3.58,-2.94,--,-0.86,-5.47,-5.13,-9.08,-0.64,-1.74,-3.15,-4.1,-4.17,-3.23,-2.23,-11.6,-0.01,-0.41,0.03,-20.97,-0.27,0.01,0.63,-0.86,0.11,0.96,--,5.33,0.23,-0.97, 经营现金净流量对负债比率(%),0.13,-0.01,-0.08,0.08,0.16,0.41,0.07,0.11,0.29,0.28,-0.04,-0.05,-0.11,0.04,-0.21,-0.16,-0.17,-0.15,-0.25,-0.32,-0.15,0.06,-2.5,-0.92,-0.86,-0.69,-3.67,-2.62,-1.52,-0.12,-1.78,-1.26,-1.09,-3.79,-3.94,-0.68,-1.44,-0.01,-0.5,0.03,-1.14,-0.62,0.01,0.18,-0.07,0.06,--,--,--,0.14,-0.91, 现金流量比率(%),15.72,-1.57,-9.31,8.89,18.41,51.9,8.16,13.11,34.08,30.29,-4.75,-5.18,-12.41,4.3,-23.21,-18.36,-20.4,-18.39,-29.39,-66.24,-32.03,12.56,-424.44,-114.49,-116.64,-95.64,-370.53,-261.65,-151.8,-11.62,-182.73,-127.46,-109.3,-378.96,-394.39,-68.15,-143.5,-1.01,-50.08,3.13,-113.55,-61.73,1.48,20.5,-8.89,6.72,--,--,--,14.48,-91.42,