报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),1.59,1.07,0.53,1.81,1.24,0.79,0.35,1.81,1.36,0.9,0.43,2.03,1.53,1.01,0.5,2.06,1.5,0.97,0.49,2.21,--,1.12,--,2.33,2.57,2.65,2.54,2.31, 应收账款周转天数(天),169.99,167.71,170,198.88,217.55,229.12,257.29,198.68,198.82,200.49,207.09,177.74,176.79,178.31,181.63,174.84,180.08,185.05,183.37,162.66,--,160.7,--,154.67,139.87,135.87,141.77,155.77, 存货周转率(次),0.88,0.61,0.32,1.14,0.83,0.51,0.22,1.15,0.85,0.55,0.27,1.26,1,0.65,0.32,1.18,0.87,0.55,0.27,1.08,--,0.52,--,1.1,1.22,1.36,1.38,1.43, 固定资产周转率(次),--,0.49,--,0.87,--,0.39,--,0.91,--,0.46,--,1.03,--,0.54,--,1.05,--,0.5,--,1.13,--,0.54,--,--,--,--,--,0.48, 总资产周转率(次),0.27,0.18,0.09,0.33,0.24,0.15,0.07,0.35,0.26,0.17,0.08,0.37,0.29,0.19,0.09,0.35,0.26,0.16,0.08,0.37,--,0.2,--,0.41,--,--,--,0.48, 存货周转天数(天),305.33,297.13,277.01,315.73,323.7,350.06,407.79,313.56,315.9,326.09,331.13,286.33,269.3,277.05,278.98,305.01,311.96,329.97,327.51,332.93,--,348.77,--,327.21,295.11,264.96,261.15,252.4, 总资产周转天数(天),993.01,1011.24,984.68,1080.76,1133.5,1186.55,1293.1,1020.99,1022.34,1055.1,1108.37,975.35,923.71,950.87,987.93,1029.16,1053.04,1118.71,1119.4,972.18,--,911.39,--,870.62,--,--,--,743.49, 流动资产周转率(次),0.56,0.38,0.2,0.69,0.48,0.32,0.14,0.69,0.51,0.32,0.15,0.67,0.52,0.34,0.16,0.61,0.44,0.27,0.14,0.66,--,0.39,--,0.8,0.91,0.99,0.97,92.18, 流动资产周转天数(天),479.74,472.07,458.25,518.73,559.59,568.36,629.37,525.01,526.21,557.62,590.16,534.68,515.27,531.44,553.17,593.57,617,657.65,659.34,541.68,--,461.54,--,452.2,394.52,362.32,370.64,3.91, 经营现金净流量对销售收入比率(%),0.19,0.22,0.17,0.21,0.2,0.28,0.5,0.23,0.21,0.16,0.24,0.18,0.15,0.18,0.17,0.26,0.19,0.24,0.16,0.29,0.29,0.38,0.53,0.21,0.27,0.24,0.07,0.11, 资产的经营现金流量回报率(%),0.05,0.04,0.02,0.06,0.04,0.04,0.04,0.08,0.06,0.03,0.02,0.06,0.04,0.03,0.02,0.09,0.05,0.04,0.01,0.1,--,0.07,--,0.08,0.12,0.12,0.03,0.05, 经营现金净流量与净利润的比率(%),2.33,2.55,2.12,2.65,2.33,3.14,5.49,2.55,1.98,1.5,2.35,1.78,1.33,1.71,1.65,1.96,1.26,1.77,1.48,2.02,1.89,2.54,5.43,1.71,1.81,1.54,0.37,0.55, 经营现金净流量对负债比率(%),0.13,0.1,0.04,0.16,0.11,0.09,0.08,0.17,0.13,0.06,0.05,0.15,0.11,0.09,0.04,0.25,0.13,0.11,0.04,0.27,--,0.17,--,0.19,0.28,0.29,0.08,0.12, 现金流量比率(%),13.27,9.97,4.14,16.68,12.16,9.1,8.86,19.82,15.63,7.58,5.53,16.14,12.35,9.24,4.64,26.73,14.13,12.02,4.4,30.31,--,19.46,--,21.86,34.71,36.02,10.91,16.56,