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, 应收账款周转率(次),3.08,2.05,1.12,4.05,3.07,1.95,1.04,4.94,3.57,2.51,1.2,4.68,3.2,2.21,1.13,5.15,3.93,2.46,1.32,5.17,3.97,2.96,--,5.86,6.59,7.03,7.66, 应收账款周转天数(天),87.73,87.91,80.09,88.83,88.01,92.08,86.77,72.94,75.65,71.8,74.99,76.98,84.42,81.28,79.87,69.87,68.66,73.1,68,69.64,68.01,60.79,--,61.47,54.59,51.21,46.99, 存货周转率(次),3.89,2.61,1.31,5.2,3.67,2.36,1.1,5.46,3.78,2.46,1.33,5.5,4.37,2.64,1.39,6.88,4.8,3.12,1.55,6.35,4.78,3.46,--,6.42,6.13,6.8,7.47, 固定资产周转率(次),--,0.8,--,1.48,--,0.59,--,1.55,--,0.76,--,1.94,--,1.01,--,2.6,--,1.2,--,2.53,1.82,--,--,3.14,3.81,--,1.1, 总资产周转率(次),0.55,0.34,0.18,0.64,0.45,0.27,0.13,0.61,0.4,0.25,0.13,0.62,0.49,0.32,0.17,0.87,0.64,0.42,0.21,0.91,0.67,0.47,--,1.02,1.11,1.09,1.1, 存货周转天数(天),69.45,68.91,68.54,69.26,73.53,76.19,81.73,65.89,71.43,73.12,67.77,65.44,61.77,68.13,64.95,52.32,56.28,57.69,58.14,56.7,56.53,51.95,--,56.11,58.73,52.93,48.18, 总资产周转天数(天),488.33,523.26,497.24,559.01,599.87,672.9,696.06,593.18,676.52,713.44,675.68,577.02,555.44,554.7,530.97,414.27,424.93,429.7,427.15,394.26,401.79,381.68,--,352.84,324.79,330.06,328.59, 流动资产周转率(次),1.41,0.87,0.47,1.66,1.21,0.7,0.34,1.6,1.12,0.69,0.37,1.5,1.15,0.74,0.38,1.99,1.53,0.97,0.46,2.34,1.78,1.22,--,2.51,2.59,2.71,286.16, 流动资产周转天数(天),191.92,208.02,192.43,217.27,222.55,255.61,268.66,224.83,240.19,261.13,241.09,239.27,235.11,243.77,237.03,180.5,176.96,186.39,194.22,153.66,151.6,147.87,--,143.15,139.06,133.07,1.26, 经营现金净流量对销售收入比率(%),0.09,0.01,0.2,0.14,0.23,0.2,0.29,0.14,0.05,0.12,-0.07,0.16,0.14,0.16,0.32,0.09,0.09,0.08,0.1,0.11,0.11,0.13,0.24,0.08,0.12,0.07,0.09, 资产的经营现金流量回报率(%),0.05,0,0.03,0.09,0.11,0.05,0.04,0.09,0.02,0.03,-0.01,0.1,0.07,0.05,0.06,0.07,0.05,0.03,0.02,0.09,0.07,0.06,--,0.08,0.11,0.07,0.1, 经营现金净流量与净利润的比率(%),1.2,0.15,2.8,3.19,5.07,6.29,2902.95,--,--,--,--,5.93,3.25,3.09,4.92,1.3,1.29,1.33,1.27,1.59,1.79,2.33,3.09,1.19,1.7,1.24,1.43, 经营现金净流量对负债比率(%),0.08,0.01,0.05,0.15,0.17,0.08,0.06,0.13,0.03,0.05,-0.02,0.18,0.13,0.09,0.1,0.12,0.09,0.05,0.03,0.13,0.09,0.08,--,0.11,0.16,0.11,0.14, 现金流量比率(%),10.49,0.97,6.25,17.56,19.08,9.2,6.36,14.91,3.82,5.47,-1.69,18.87,13.29,9.67,13.09,14.83,13.18,7.17,5.2,21.73,15.31,14.5,--,22.07,23.78,11.1,14.06,