报告日期,2021-12-31,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),5.75,4.85,4.33,5.1,5.33,5.68,5.89,6.16,6.01,4.8,4.34, 应收账款周转天数(天),62.58,74.27,83.07,70.61,67.59,63.35,61.13,58.48,59.92,75.04,82.94, 存货周转率(次),4.25,4.4,4.91,5.99,5.73,5.4,5.48,5.75,5.71,5.28,4.91, 固定资产周转率(次),6.05,5.72,5.72,7.84,8.09,6.77,6.1,5.34,5.37,5.31,1.03, 总资产周转率(次),0.42,0.4,0.43,0.57,0.7,0.78,0.85,1.15,1.15,1.06,1.03, 存货周转天数(天),84.77,81.73,73.28,60.11,62.83,66.72,65.74,62.58,63.01,68.23,73.32, 总资产周转天数(天),861.86,895.3,843.88,632.24,515.76,460.36,422.78,312.72,314.14,338.73,350.57, 流动资产周转率(次),0.49,0.45,0.48,0.65,0.83,0.97,1.05,1.56,1.67,1.58,149.36, 流动资产周转天数(天),735.59,792.6,757.1,556.24,434,373.02,344.5,230.09,216.19,227.88,2.41, 经营现金净流量对销售收入比率(%),0.17,0.2,0.35,0.19,0.09,0.09,0.03,0.09,0.15,0.18,0.14, 资产的经营现金流量回报率(%),0.07,0.08,0.15,0.11,0.05,0.07,0.02,0.09,0.15,0.18,0.14, 经营现金净流量与净利润的比率(%),1.1,0.99,1.85,1.13,0.45,0.5,0.2,0.54,0.84,1.05,0.81, 经营现金净流量对负债比率(%),0.5,0.5,1.04,0.78,0.26,0.23,0.08,0.24,0.37,0.5,0.41, 现金流量比率(%),53.58,52.42,105.46,77.58,26.1,24.56,8.74,23.85,37.24,55.39,41.47,