报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),3.9,2.41,0.92,6.37,4.49,2.53,--,6.6,--,2.37,--,--,1.97,3.59,3.88,5.78,6.19,5.75, 应收账款周转天数(天),69.18,74.7,98.19,56.53,60.15,71.23,--,54.58,--,76.1,--,--,91.43,100.3,92.85,62.26,58.2,62.66, 存货周转率(次),6.55,3.79,1.42,7.27,4.9,2.78,--,7.64,--,3.67,7.66,8,3.74,6.16,6.89,8.2,6.02,5.23, 固定资产周转率(次),--,1.35,--,2.59,--,1.04,--,--,--,--,--,--,--,--,--,1.94,1.97,0.59, 总资产周转率(次),0.37,0.23,0.07,0.53,0.39,0.27,--,0.64,--,--,--,--,--,--,0.51,0.7,0.68,0.59, 存货周转天数(天),41.24,47.54,63.22,49.55,55.05,64.77,--,47.12,--,49.09,46.97,45.03,48.16,58.47,52.26,43.9,59.8,68.81, 总资产周转天数(天),724.44,786.03,1221.17,673.15,700.57,669.64,--,564.79,--,--,--,--,--,--,710.9,515.1,532.31,611.83, 流动资产周转率(次),0.64,0.4,0.12,0.93,0.67,0.57,--,1.45,--,0.64,1.53,1.65,0.73,1.22,1.27,1.81,1.61,135.16, 流动资产周转天数(天),420.89,452.49,729.93,385.81,401.91,315.68,--,248.76,--,282.71,234.6,217.77,247.73,294.91,282.8,199.15,224.3,2.66, 经营现金净流量对销售收入比率(%),0.05,0.11,-0.12,0.19,0.24,0.17,-0.16,0.19,0.2,0.23,0.15,0.27,0.12,0.29,0.14,0.15,0.18,0.12, 资产的经营现金流量回报率(%),0.02,0.02,-0.01,0.08,0.08,0.05,--,0.11,--,0.06,0.09,0.16,0.03,0.14,0.07,0.11,0.12,0.07, 经营现金净流量与净利润的比率(%),0.39,0.62,-3.76,0.99,1.31,0.87,-3.35,1.16,1.15,1.23,1.01,2.48,4.73,3.2,1.62,1.27,1.45,1.23, 经营现金净流量对负债比率(%),0.11,0.14,-0.06,0.54,0.44,0.2,--,0.51,--,0.26,0.36,0.54,0.08,0.4,0.16,0.22,0.22,0.11, 现金流量比率(%),14.62,19.34,-7.59,63.92,50.89,23.58,--,61.2,--,30.91,42.59,61.94,11.43,59.34,17.04,43.14,23.28,11.82,