报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2018-06-30,2017-12-31,2017-06-30,2016-12-31,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),5.85,3.85,2.58,12,--,5.01,--,2.38,--,1.12,2.28,--,2.28,1.1,2.18,0.95,2.5,3.14,3.21, 应收账款周转天数(天),46.16,46.72,34.82,30,--,35.9,--,150.99,--,161.39,158.16,--,157.65,164.32,165.21,189.18,144.16,114.47,112.14, 存货周转率(次),2.19,1.17,0.86,6.02,--,2.27,--,1.53,--,0.69,1.22,0.58,1.27,0.64,0.82,0.26,0.59,0.94,1, 固定资产周转率(次),--,7.38,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,0.5, 总资产周转率(次),0.5,0.32,0.22,1.63,--,--,--,--,--,--,--,--,--,--,--,--,--,--,0.5, 存货周转天数(天),123.29,154.16,104.64,59.76,--,79.35,--,234.82,--,261.48,294.38,307.9,283.38,283.06,439.67,684.41,605.65,381.19,359.89, 总资产周转天数(天),544.03,562.15,415.13,221.17,--,--,--,--,--,--,--,--,--,--,--,--,--,--,725.22, 流动资产周转率(次),0.6,0.37,0.25,2.07,--,1.19,--,0.63,--,0.3,0.59,0.29,0.55,0.24,0.48,0.2,0.66,1.09,102.4, 流动资产周转天数(天),449.25,484,361.3,174.25,--,151.27,--,567.02,--,594.26,605.14,615.38,651.11,754.4,743.96,907.72,544.05,331.31,3.52, 经营现金净流量对销售收入比率(%),0.25,0.12,0.27,0.56,0.54,0.6,0.62,0.3,0.25,0.22,0.36,0.26,0.23,0.2,0.28,-0.1,0.07,0.21,0.33, 资产的经营现金流量回报率(%),0.09,0.03,0.04,0.61,0.49,0.41,0.17,0.12,--,0.05,0.14,0.05,0.08,0.03,0.08,-0.01,0.02,0.11,0.17, 经营现金净流量与净利润的比率(%),0.63,0.29,0.57,1.23,1.11,1.16,1.38,1.49,0.96,0.96,1.33,1.19,0.85,0.85,0.91,-0.36,0.21,0.59,0.95, 经营现金净流量对负债比率(%),0.9,0.33,0.36,2.74,2.17,1.83,0.78,1.09,--,0.57,1.72,0.61,1.07,0.4,1.04,-0.23,0.2,0.24,0.54, 现金流量比率(%),95.24,35.74,38.42,296.27,--,195.53,--,134.56,--,62.79,192.08,75.64,138.46,52.31,137.15,-40.24,27.78,31.84,119.65,