报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),2.84,1.75,0.81,2.85,1.81,1.12,0.53,2.28,1.64,1,0.44,2.28,1.44,0.91,0.43,2.31,1.87,1.27,0.57,2.56,--,--,--,2.6,2.84,2.52, 应收账款周转天数(天),95.18,102.68,111.7,126.41,149.27,161.05,169.01,158.08,164.58,179.82,205.15,157.64,187.03,197.74,211.27,155.74,144.49,141.71,157.1,140.44,--,--,--,138.53,126.84,143.08, 存货周转率(次),9.56,6.6,2.87,17.69,17.92,10.55,5.26,315.83,322.47,192.05,93.99,393.28,359.05,316.93,--,--,--,--,--,--,--,--,--,--,--,--, 固定资产周转率(次),--,7.38,--,64.47,--,26.72,--,86.45,--,40.97,--,254.31,--,135.56,--,206.98,--,84.9,--,118.93,--,--,--,67.67,--,1.43, 总资产周转率(次),0.65,0.42,0.19,0.83,0.58,0.39,0.18,0.87,0.63,0.42,0.18,0.89,0.64,0.38,0.18,1.09,0.8,0.78,0.35,1.77,--,--,--,1.91,1.91,1.43, 存货周转天数(天),28.24,27.29,31.36,20.35,15.07,17.06,17.11,1.14,0.84,0.94,0.96,0.92,0.75,0.57,--,--,--,--,--,--,--,--,--,--,--,--, 总资产周转天数(天),415.58,423.83,476.95,435.2,461.93,464.4,490.73,415.56,430.07,424.33,498.89,403.59,423.26,476.69,511.07,329.34,339.45,231.15,255.1,203.11,--,--,--,188.81,188.05,251.63, 流动资产周转率(次),1.08,0.71,0.3,1.2,0.79,0.53,0.25,1.08,0.77,0.52,0.22,1,0.71,0.42,0.18,1.15,0.84,0.84,0.38,1.91,--,--,--,2.06,2.13,160.68, 流动资产周转天数(天),249.65,254.71,295.47,300.38,342.77,341.62,364.08,332.53,352.43,344.1,411.15,359.68,381.14,431.86,493.96,313.94,322.93,214.36,236.78,188.87,--,--,--,175.12,169.39,2.24, 经营现金净流量对销售收入比率(%),0.11,0.02,-0.08,0.09,0.05,0.02,-0.2,0.04,-0.01,-0.13,-0.28,0.07,-0.11,-0.17,-0.45,0.05,0.14,0.21,0.18,0.08,0.2,0.12,-0.05,0.01,-0.08,-0.02, 资产的经营现金流量回报率(%),0.07,0.01,-0.02,0.06,0.03,0.01,-0.04,0.03,-0,-0.06,-0.05,0.05,-0.06,-0.06,-0.08,0.04,0.08,0.16,0.06,0.11,--,--,--,0.02,-0.13,-0.03, 经营现金净流量与净利润的比率(%),1.06,0.25,-2.43,0.69,0.48,0.24,-17.72,0.66,-0.09,-4.42,-169.57,0.51,-0.92,-2.37,-7.08,0.32,1.04,1.78,1.79,0.57,1.58,1.14,-0.47,0.13,-0.74,-0.18, 经营现金净流量对负债比率(%),0.24,0.02,-0.04,0.16,0.06,0.02,-0.15,0.13,-0.02,-0.34,-0.26,0.25,-0.37,-0.28,-0.7,0.26,0.63,0.55,0.19,0.32,--,--,--,0.06,-0.33,-0.07, 现金流量比率(%),34.5,3.97,-8.65,31.35,12.81,3.04,-15.3,12.89,-1.7,-34.29,-26.14,25.31,-37.11,-28.28,-69.55,26.26,64.87,54.92,18.94,32.49,--,--,--,5.84,-34.06,-7.25,