报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),5.56,3.9,1.84,6.33,4.24,2.58,1.34,7.47,5.33,3.11,1.59,8.25,6.1,3.65,1.82,7.53,4.93,3.35,1.46,5.39,3.45,2.27,1.04,5.27,--,2.51,--,5.48,5.1,7.61,11.44, 应收账款周转天数(天),48.52,46.17,48.81,56.9,63.7,69.89,66.93,48.22,50.67,57.92,56.5,43.63,44.3,49.28,49.5,47.84,54.82,53.73,61.76,66.74,78.31,79.35,86.61,68.28,--,71.58,--,65.71,70.62,47.3,31.47, 存货周转率(次),2.8,1.98,1.04,2.88,1.64,1.16,0.63,3,2.49,2.1,0.88,3.43,2.41,1.76,0.99,3.31,2.89,2,0.96,2.99,2.46,1.74,0.86,3.18,--,1.57,--,3.4,4.3,4.15,2.78, 固定资产周转率(次),--,1.01,--,1.85,--,0.92,--,2.54,--,1.48,--,3.74,--,2.98,--,4.92,--,2.3,--,3.23,--,--,0.73,3.07,--,--,--,3.44,3.89,4.85,1.39, 总资产周转率(次),0.43,0.32,0.16,0.62,0.42,0.31,0.16,0.81,0.61,0.44,0.19,0.84,0.71,0.47,0.24,0.77,0.59,0.39,0.18,0.71,0.54,0.45,0.21,0.96,--,0.5,--,1.1,1.17,1.41,1.39, 存货周转天数(天),96.46,91.13,86.23,124.82,164.65,155.62,142.79,119.94,108.26,85.83,101.71,105.06,112.09,102.14,90.68,108.8,93.27,89.95,93.97,120.29,109.66,103.35,104.81,113.38,--,114.46,--,105.9,83.8,86.71,129.48, 总资产周转天数(天),632.91,567.82,547.45,581.68,637.54,583.66,559.35,446.04,441.83,406.32,472.44,428.11,382.54,379.75,370.22,467.59,458.17,460.59,506.76,508.76,500.83,400.36,421.15,375.82,--,362.83,--,328.29,307.04,255.54,259.01, 流动资产周转率(次),1.12,0.91,0.45,1.56,1.02,0.71,0.34,1.81,1.34,0.98,0.41,1.63,1.22,0.8,0.4,1.13,0.81,0.52,0.23,0.99,0.76,0.71,0.34,1.56,--,0.82,--,1.81,1.9,2.15,203.61, 流动资产周转天数(天),241.83,197.37,201.88,230.53,264.34,254.38,265.25,198.42,201.22,183.36,219.83,220.93,222.17,226.42,223.71,318.73,332.72,346.75,388.27,361.95,354.98,252.38,262.62,230.37,--,219.03,--,198.99,189.5,167.81,1.77, 经营现金净流量对销售收入比率(%),0.22,0.23,0.26,0.2,0.1,0.09,0.22,0.08,0,-0.02,-0.09,0.06,0.02,-0.03,-0.03,0.01,0.01,-0.02,-0.18,0.09,0.04,0.07,0.01,0.19,0.11,0.06,0.04,0.13,0.08,0.17,0.1, 资产的经营现金流量回报率(%),0.09,0.07,0.04,0.11,0.04,0.03,0.03,0.06,0,-0.01,-0.02,0.04,0.01,-0.01,-0.01,0.01,0,-0.01,-0.03,0.05,0.02,0.03,0,0.18,--,0.03,--,0.15,0.09,0.25,0.14, 经营现金净流量与净利润的比率(%),1.81,1.8,2.09,1.99,1.04,0.73,1.62,0.56,0,-0.15,-0.7,0.48,0.12,-0.18,-0.23,0.08,0.06,-0.15,-1.58,0.6,0.25,0.59,0.07,1.6,0.95,0.66,0.4,1.36,0.71,2.11,0.76, 经营现金净流量对负债比率(%),0.34,0.16,0.09,0.25,0.09,0.06,0.07,0.13,0,-0.02,-0.05,0.13,0.04,-0.04,-0.04,0.04,0.03,-0.06,-0.29,0.39,0.15,0.19,0.01,0.88,--,0.11,--,0.69,0.32,0.71,0.29, 现金流量比率(%),48.29,32.57,17.36,48.96,19.29,12.16,13.42,17.28,0.11,-2.24,-5.33,14.53,4.5,-4.68,-4.09,4.32,3.23,-6.05,-32.2,43.74,16.84,20.8,1.13,98.54,--,12.11,--,77.55,35.62,76.94,30.23,