报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-03-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),6.53,4.21,1.84,7.58,5.21,3.4,1.47,4.46,3.06,1.84,0.86,3.12,2.69,1.77,0.8,3.24,2.49,1.58,0.71,2.23,--,--,--,3.31,1.03,7.54,13.09,4.19, 应收账款周转天数(天),41.38,42.76,48.79,47.48,51.81,53,61.42,80.74,88.31,97.94,104.36,115.21,100.37,101.65,113.09,111.25,108.27,113.93,127.48,161.12,--,--,--,108.9,87.64,47.74,27.5,85.96, 存货周转率(次),0.97,0.61,0.35,0.94,0.7,0.5,0.2,0.94,0.61,0.43,0.22,1.06,0.67,0.52,0.22,1.02,0.61,0.45,0.25,1.69,--,--,--,2.73,0.47,2.34,3.3,5.66, 固定资产周转率(次),--,1.3,--,2.08,--,1.14,--,1.73,--,0.71,--,1.39,--,0.71,--,1.64,--,0.66,--,1.65,--,--,--,--,--,--,--,0.48, 总资产周转率(次),0.28,0.19,0.1,0.36,0.34,0.24,0.09,0.36,0.25,0.17,0.07,0.32,0.2,0.15,0.07,0.4,0.25,0.16,0.09,0.47,--,--,--,0.79,--,--,--,0.48, 存货周转天数(天),279.19,292.78,256.78,381.72,386.1,360,453.4,384.49,440.17,416.09,410.21,340.72,405.1,344.7,408.35,352.77,444.52,403.86,358.28,213.42,--,--,--,131.64,192.8,154.14,109.14,63.66, 总资产周转天数(天),959.83,925.93,863.72,997.51,804.53,763.36,985.76,986.84,1091.79,1090.25,1248.27,1139.24,1336.63,1168.83,1339.29,889.99,1094.45,1136.36,1055.1,767.59,--,--,--,453.63,--,--,--,748.75, 流动资产周转率(次),0.44,0.29,0.15,0.52,0.51,0.36,0.14,0.54,0.37,0.25,0.11,0.47,0.3,0.23,0.1,0.64,0.4,0.25,0.16,0.87,--,--,--,1.62,0.37,2.54,3.15,214.47, 流动资产周转天数(天),618.56,626.3,596.42,695.65,533.28,505.9,651.23,665.07,730.32,714.85,835.65,771.7,912.16,796.46,920.25,561.18,675,710.06,568.9,411.85,--,--,--,222.73,244.43,141.86,114.11,1.68, 经营现金净流量对销售收入比率(%),0.4,0.56,-0.01,0.34,0.3,0.34,0.21,0.28,0.37,0.29,0.42,0.05,0.05,0.05,0.13,0.19,0.08,0.22,0.38,0.47,0.51,0.07,-0.14,0.2,0.15,0.11,0.13,-0.02, 资产的经营现金流量回报率(%),0.1,0.1,-0,0.1,0.1,0.08,0.02,0.1,0.09,0.05,0.03,0.01,0.01,0.01,0.01,0.06,0.02,0.03,0.03,0.21,--,--,--,0.13,0.02,0.08,0.09,-0.01, 经营现金净流量与净利润的比率(%),1.57,1.92,-0.04,1.59,1.38,1.34,0.8,1.56,1.49,1.2,3.12,0.26,0.26,0.26,3.35,0.88,0.36,0.8,1.24,1.63,1.82,0.25,-0.51,0.88,0.69,1,1.01,-0.5, 经营现金净流量对负债比率(%),0.38,0.46,-0.01,0.54,0.43,0.34,0.09,0.36,0.37,0.26,0.11,0.06,0.04,0.03,0.04,0.26,0.08,0.12,0.07,0.46,--,--,--,0.25,0.04,0.12,0.11,-0.01, 现金流量比率(%),41.4,47.01,-0.95,56.78,44.88,35.23,9.37,37.79,38.48,27.26,11.84,5.85,4.36,3.34,3.95,27.42,8.31,12.71,7.68,50.29,--,--,--,26.02,4.42,11.91,13.25,-1.49,