报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2017-12-31,2016-12-31,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),2.94,2.04,1,3.98,2.76,1.77,0.87,3.55,2.59,1.66,--,3.72,--,3.55,3.6,3.87,1.88,4.05,3.71,3.52, 应收账款周转天数(天),91.98,88.33,89.87,90.5,97.8,101.63,103.96,101.27,104.09,108.23,--,96.84,--,101.27,99.93,92.91,95.51,88.8,96.99,102.28, 存货周转率(次),3.82,2.45,1.16,5.3,3.88,2.6,1.1,5.57,4.33,2.67,--,6.51,--,6.4,7.03,6.61,3.27,6.54,5.46,4.97, 固定资产周转率(次),--,0.34,--,1.18,--,0.73,--,1.26,--,0.56,--,1.06,--,--,--,--,--,--,--,0.57, 总资产周转率(次),0.26,0.16,0.08,0.35,0.28,0.19,0.09,0.48,0.46,0.3,--,0.63,--,0.57,--,--,--,--,--,0.57, 存货周转天数(天),70.75,73.44,77.74,67.97,69.61,69.31,81.75,64.62,62.3,67.43,--,55.33,--,56.22,51.2,54.48,54.98,55.07,65.91,72.47, 总资产周转天数(天),1028.96,1151.63,1192.05,1017.24,957.11,933.61,981.46,756.14,583.03,609.96,--,573.8,--,628.27,--,--,--,--,--,634.36, 流动资产周转率(次),0.87,0.51,0.24,0.93,0.71,0.47,0.22,1.13,1.28,0.81,--,1.71,--,1.68,1.61,1.72,0.95,1.96,1.72,158.41, 流动资产周转天数(天),311.78,350.26,381.36,386.6,379.21,384.78,403.05,319.01,211.75,221.81,--,210.72,--,213.85,224.24,209.49,190.38,184.11,209.33,2.27, 经营现金净流量对销售收入比率(%),0.4,0.18,0.19,0.38,0.36,0.33,0.27,0.21,0.24,0.21,0.27,0.24,0.23,0.3,0.28,0.25,0.19,0.24,0.23,0.24, 资产的经营现金流量回报率(%),0.1,0.03,0.01,0.13,0.1,0.06,0.02,0.08,0.1,0.06,--,0.15,--,0.16,0.17,0.16,0.07,0.16,0.14,0.14, 经营现金净流量与净利润的比率(%),5.01,1.92,1.65,2.45,2.22,2.21,2.02,1.46,1.52,1.24,1.78,1.59,1.54,2.47,1.92,1.48,1.04,1.39,1.68,2.78, 经营现金净流量对负债比率(%),0.46,0.13,0.07,0.76,0.62,0.36,0.15,0.5,0.36,0.21,--,0.64,--,0.66,1.19,0.67,0.27,0.52,0.37,0.28, 现金流量比率(%),87.71,25.58,11.32,106.58,85.77,48.24,16.72,56.13,49.02,25.09,--,88.25,--,133.15,163.11,80.97,33.84,64.21,65.88,41.43,