报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),1.91,1.12,0.5,3.59,2.88,1.42,0.38,2.21,1.12,0.66,--,1.98,--,--,--,2.31,0.86,--,7.29,5.37, 应收账款周转天数(天),141.35,160.33,180.54,100.3,93.77,127.13,235.91,162.79,241.33,272.03,--,181.52,--,--,--,155.53,209.99,--,49.38,67.01, 存货周转率(次),1.57,1.06,0.45,3.41,2.06,1.17,0.39,2.96,2.11,1.54,0.81,3.44,--,--,--,3.1,1.1,2.43,2.65,1.46, 固定资产周转率(次),--,6.14,--,20.58,--,5.98,--,8.77,--,2.65,--,5.75,--,--,--,5.36,--,--,--,0.48, 总资产周转率(次),0.47,0.31,0.13,0.83,0.52,0.29,0.09,0.55,0.33,0.21,0.1,0.53,--,--,--,0.6,--,0.61,--,0.48, 存货周转天数(天),172.2,169.6,199.2,105.47,130.9,153.98,231.78,121.62,128.17,117.04,110.89,104.76,--,--,--,116.32,163.83,148.21,135.62,245.88, 总资产周转天数(天),569.14,589.01,697.13,432.54,522.75,630.69,1050.18,652.29,817.44,841.12,872.94,674.41,--,--,--,596.82,--,587.18,--,752.82, 流动资产周转率(次),0.63,0.42,0.18,1.11,0.67,0.37,0.11,0.77,0.46,0.32,0.16,0.83,--,--,--,0.97,0.38,0.97,1.12,61.71, 流动资产周转天数(天),426.74,425.83,510.49,324.15,400.59,482.06,793.65,470.34,586.83,562.15,575.08,434.73,--,--,--,369.53,469.48,369.5,321.6,5.83, 经营现金净流量对销售收入比率(%),0.06,-0.2,-0.37,-0.07,0.02,0.02,0.11,0.29,0.17,-0.44,-0.17,0.06,-0.45,-0.35,-1.71,0.17,-0.45,-0.05,0.01,0.43, 资产的经营现金流量回报率(%),0.02,-0.06,-0.05,-0.05,0.01,0.01,0.01,0.12,0.05,-0.09,-0.02,0.03,--,--,--,0.1,-0.11,-0.03,0.01,0.21, 经营现金净流量与净利润的比率(%),1.88,-7.97,-17.41,-4.56,1.58,2.4,25.94,13.47,15.14,-53.72,-12.42,1.71,--,-47.73,--,5.87,-27.67,-1.61,0.25,52.11, 经营现金净流量对负债比率(%),0.03,-0.07,-0.06,-0.06,0.01,0.01,0.01,0.14,0.06,-0.11,-0.02,0.04,--,--,--,0.11,-0.12,-0.04,0.01,0.24, 现金流量比率(%),2.87,-7.96,-6.46,-6.17,0.81,0.63,1.06,15.2,6.13,-12.76,-2.34,4.22,--,--,--,12.44,-14.83,-4.67,0.81,27.17,