报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-06-30,2017-12-31,2017-06-30,2016-12-31,2016-06-30,2015-12-31,2015-06-30,2014-12-31,2013-12-31, 应收账款周转率(次),1.11,0.78,0.31,2.36,1.51,--,--,3.14,--,1.12,--,3.25,--,3.33,0.96,2.84,0.99,2.31,0.74,2.71,2.96, 应收账款周转天数(天),242.74,231.81,286.44,152.66,178.69,--,--,114.67,--,161.15,--,110.73,--,108.06,187.29,126.89,180.98,155.56,244.47,132.89,121.45, 存货周转率(次),1.21,0.99,0.39,2.46,1.63,--,--,2.82,--,1.02,--,2.5,1.29,2.7,0.77,2.58,1.03,2.03,0.59,1.87,1.77, 固定资产周转率(次),--,1.06,--,2.7,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,0.69, 总资产周转率(次),0.16,0.12,0.05,0.41,0.38,0.22,--,0.71,--,--,--,--,--,--,--,--,--,--,--,--,0.69, 存货周转天数(天),222.77,181.23,228.37,146.35,165.82,--,--,127.86,--,177.13,--,143.97,139.71,133.36,233.58,139.68,174.76,176.98,307.69,192.38,203.17, 总资产周转天数(天),1652.39,1522.84,1906.78,877.62,704.78,836.82,--,506.69,--,--,--,--,--,--,--,--,--,--,--,--,521.66, 流动资产周转率(次),0.22,0.16,0.06,0.57,0.64,--,--,1.1,--,0.47,--,1.05,0.52,1.07,0.33,1.17,0.46,0.94,0.28,0.88,90.56, 流动资产周转天数(天),1222.83,1135.65,1446.95,634.7,420.89,--,--,327.48,--,384.7,--,341.52,345.56,337.81,538.76,308.19,391.64,383.26,646.78,409.56,3.98, 经营现金净流量对销售收入比率(%),0.08,0.12,-0.46,0,0.05,0.1,-0.4,0.19,-0,0.01,--,0.17,-0.26,0.26,0.26,0.31,0.45,0.01,-0.11,0.31,0.01, 资产的经营现金流量回报率(%),0.01,0.02,-0.02,0,0.02,0.02,--,0.13,--,0,--,0.11,-0.09,0.16,0.05,0.19,0.11,0.01,-0.02,0.17,0.01, 经营现金净流量与净利润的比率(%),0.82,1.18,-4.9,0.01,0.2,0.37,--,0.71,-0.02,0.05,--,0.63,-0.99,1.16,3.28,1.21,3.42,0.08,-1.55,2.19,0.05, 经营现金净流量对负债比率(%),0.14,0.17,-0.3,0.01,0.09,0.16,--,0.61,--,0.02,--,0.45,-0.59,0.65,0.35,0.81,0.47,0.03,-0.07,0.61,0.03, 现金流量比率(%),14.85,18.69,-32.24,1.13,9.48,--,--,64.15,--,2.27,--,46.61,-63.96,68.99,38.48,85.22,48.94,2.68,-7.41,63.4,2.68,