报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),3.02,2,0.95,3.46,2.44,1.59,0.69,3.96,2.7,1.97,0.97,3.6,2.99,1.93,1,5.17,3.59,2.63,--,4.96,--,1.18,5.01,5.26,4.81, 应收账款周转天数(天),89.46,90.08,94.82,104.15,110.84,113.49,130.13,90.98,99.91,91.49,92.67,100.04,90.43,93.35,90.02,69.62,75.2,68.34,--,72.62,--,76.19,71.83,68.4,74.86, 存货周转率(次),3.63,2.3,1.01,4.72,3.35,1.91,0.87,5.79,3.56,2.35,1.18,4.91,3.78,2.43,1.08,6.12,4.3,2.63,--,5.57,--,1.43,6.91,6.85,4.96, 固定资产周转率(次),--,4.6,--,7.02,--,2.29,--,7.78,--,6.06,--,13.56,--,7.42,--,21.96,16.34,9.51,--,13.64,--,--,10.29,--,1.26, 总资产周转率(次),0.72,0.48,0.21,0.82,0.56,0.31,0.14,0.76,0.53,0.34,0.14,0.76,0.59,0.4,0.2,1.65,1.25,0.82,--,1.59,--,--,1.72,1.77,1.26, 存货周转天数(天),74.46,78.13,89.18,76.19,80.64,94.14,103.51,62.19,75.95,76.45,76.49,73.39,71.4,74.19,83.23,58.84,62.73,68.39,--,64.58,--,62.95,52.1,52.57,72.64, 总资产周转天数(天),375.78,377.36,429.39,439.02,484.74,585.56,663.72,474.68,505.33,522.04,622.41,472.75,460.99,446.65,451.13,217.96,215.71,218.71,--,226.94,--,--,208.96,203.63,286.17, 流动资产周转率(次),0.95,0.63,0.27,1.06,0.73,0.41,0.18,0.96,0.68,0.43,0.18,0.91,0.67,0.46,0.23,1.93,1.45,0.95,--,1.87,--,0.42,2.1,2.31,178.58, 流动资产周转天数(天),284.96,286.03,332.23,339.56,370.32,437.96,495.32,375,398.52,422.24,509.34,395.17,405.77,393.27,399.29,187.01,186.85,189.04,--,192.32,--,212.57,171.62,156.09,2.02, 经营现金净流量对销售收入比率(%),0.11,0.08,0.14,0.13,0.18,0.28,0.3,0.18,0.06,0.11,0.16,0.26,0.34,0.34,0.4,0.29,0.27,0.34,0.59,0.22,0.24,0.31,0.18,0.17,0.18, 资产的经营现金流量回报率(%),0.07,0.04,0.03,0.09,0.09,0.08,0.04,0.13,0.03,0.04,0.02,0.16,0.16,0.11,0.07,0.37,0.27,0.25,--,0.26,--,0.11,0.26,0.24,0.23, 经营现金净流量与净利润的比率(%),0.66,0.51,0.85,0.65,0.86,1.19,1.3,0.71,0.23,0.44,0.73,0.91,1.14,1.12,1.57,0.96,0.85,1.03,1.89,0.8,0.91,1.74,1.07,0.91,1.04, 经营现金净流量对负债比率(%),0.22,0.11,0.08,0.27,0.3,0.32,0.2,0.56,0.13,0.17,0.12,0.75,0.87,0.73,0.42,1.06,0.73,0.67,--,0.67,--,0.26,0.66,0.5,0.45, 现金流量比率(%),31.62,15.95,11.64,36.4,39.11,47.86,22.95,64.27,14.61,18.61,13.44,83.1,98.65,80.77,45.35,112.92,78.01,73.47,--,73.35,--,29.07,72.97,52.7,46.02,