报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),1.73,1.24,0.52,2.33,1.9,1.12,0.41,2.45,1.7,1.19,0.67,3.06,2.18,1.5,0.67,3.36,2.58,1.89,--,3.11,--,2.23,1.8,2.59,3.01, 应收账款周转天数(天),155.66,145.57,171.46,154.22,142.17,160.86,221.95,146.75,158.49,151.02,133.87,117.7,124.05,119.83,133.91,107.22,104.84,95.37,--,115.78,--,161.69,199.99,138.77,119.77, 存货周转率(次),0.82,0.6,0.24,1.01,0.88,0.51,0.17,0.94,0.75,0.44,0.22,0.95,0.66,0.46,0.17,0.75,0.7,0.45,--,0.68,--,0.71,1.34,1.59,0.89, 固定资产周转率(次),--,3.82,--,6.63,--,2.87,--,5.74,--,2.71,--,4.83,--,2.25,--,3.92,--,2.62,--,3.24,--,2.76,2.52,2.3,0.53, 总资产周转率(次),0.41,0.28,0.13,0.54,0.42,0.25,0.09,0.5,0.37,0.24,0.12,0.48,0.34,0.23,0.1,0.48,0.45,0.32,--,0.51,--,0.48,0.47,0.56,0.53, 存货周转天数(天),327.43,301.91,380.55,356.86,305.26,353.36,545.12,382.37,362.22,406.14,410.4,378.99,411.15,392.24,526.32,480.96,384.56,401.34,--,529.57,--,508.19,268.54,226.83,402.28, 总资产周转天数(天),662.74,636.04,692.84,661.52,643.01,729.93,1019.25,719.71,724.44,764.33,759.49,749.69,795.29,783.29,931.68,743.03,597.21,557.79,--,702.03,--,757.1,759.01,646.2,678.86, 流动资产周转率(次),0.46,0.32,0.15,0.63,0.48,0.28,0.1,0.58,0.43,0.27,0.14,0.56,0.4,0.27,0.11,0.58,0.55,0.39,--,0.62,--,0.6,0.62,0.8,83.17, 流动资产周转天数(天),589.26,562.68,608.11,575.91,562.38,636.72,887.57,622.3,624.28,659.58,661.28,638.86,676.18,664.21,783.97,621.76,492.61,457.08,--,576.28,--,601.1,576.83,447.98,4.33, 经营现金净流量对销售收入比率(%),0,0,-0.01,-0.07,-0,0.11,0.24,-0.1,-0.1,-0.05,0.01,0.02,0.01,-0.09,-0.55,0.05,0,-0.04,-0.01,-0.02,-0.02,0.25,-0.17,-0.05,-0.12, 资产的经营现金流量回报率(%),0,0,-0,-0.03,-0,0.03,0.02,-0.05,-0.04,-0.01,0,0.01,0,-0.02,-0.05,0.02,0,-0.01,--,-0.01,--,0.1,-0.07,-0.02,-0.06, 经营现金净流量与净利润的比率(%),0.03,0.05,-0.13,-0.72,-0.04,1.03,2.4,-1.25,-1.19,-0.47,0.11,0.18,0.11,-0.68,-4.01,0.34,0.02,-0.3,-0.08,-0.11,-0.11,1.12,-0.96,-0.26,-0.48, 经营现金净流量对负债比率(%),0,0,-0,-0.06,-0,0.05,0.04,-0.11,-0.08,-0.03,0,0.02,0.01,-0.04,-0.12,0.04,0,-0.03,--,-0.02,--,0.18,-0.17,-0.07,-0.14, 现金流量比率(%),0.17,0.21,-0.31,-6.24,-0.26,5.16,4.2,-11.03,-7.92,-2.64,0.3,2.07,0.84,-3.96,-11.91,4.38,0.26,-2.59,--,-1.51,--,18.05,-17.64,-13.88,-18.96,