报告日期,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),1.57,0.99,0.42,2.27,1.48,0.95,0.43,1.89,1.26,0.79,0.35,1.72,1.17,0.71,0.23,1.49,--,--,--,1.7,1.89,1.9,2.21, 应收账款周转天数(天),172.03,181.76,214.23,158.33,182.35,189.27,207.13,190.19,213.64,227.01,257,209.56,231.52,255.32,388.77,241.4,--,--,--,211.91,190.67,189.21,162.59, 存货周转率(次),1.47,0.92,0.4,2.58,1.45,1.01,0.51,2.71,1.71,1.14,0.51,2.99,1.63,1.08,0.34,1.99,--,--,--,2.26,2.37,2.26,2.98, 固定资产周转率(次),--,2.72,--,5.3,--,2.1,--,4.76,--,2.29,--,4.97,--,1.8,0.58,3.72,--,--,--,3.99,--,--,1, 总资产周转率(次),0.48,0.31,0.13,0.72,0.46,0.31,0.14,0.66,0.44,0.29,0.12,0.69,0.45,0.27,0.1,0.65,--,--,--,0.74,0.82,--,1, 存货周转天数(天),184.28,196.08,227.56,139.55,186.09,177.73,177.41,132.83,157.47,157.78,175.27,120.47,165.27,166.77,262.39,180.61,--,--,--,159.38,151.68,159.11,120.73, 总资产周转天数(天),559.93,588.43,709.78,499.86,582.52,585.94,634.7,544.3,613.22,631.36,728.74,519.03,603.22,668.4,908.17,554.96,--,--,--,486.29,436.79,--,359.86, 流动资产周转率(次),0.6,0.38,0.16,0.92,0.6,0.4,0.19,0.87,0.57,0.37,0.16,0.92,0.61,0.36,0.14,0.9,--,--,--,1.01,1.1,1.08,129.76, 流动资产周转天数(天),453.25,476.95,575.82,389.48,450.53,448.1,473.44,412.28,476.53,484.78,559.7,389.78,445.69,496.69,642.4,401.83,--,--,--,356.12,327.75,332.75,2.77, 经营现金净流量对销售收入比率(%),0.04,0.03,-0.04,0.16,0.11,0.08,-0.14,0.12,0.03,-0.03,-0.16,0.09,0.02,-0.08,-0.23,0.15,0.01,-0.09,-0.33,0.13,0.14,0.2,-0.04, 资产的经营现金流量回报率(%),0.02,0.01,-0,0.11,0.05,0.03,-0.02,0.08,0.01,-0.01,-0.02,0.06,0.01,-0.02,-0.02,0.1,--,--,--,0.1,0.11,0.16,-0.04, 经营现金净流量与净利润的比率(%),0.28,0.22,-0.33,1.58,0.94,0.77,-1.44,1.32,0.31,-0.32,-2.17,1.05,0.32,-1.44,-4.45,1.61,0.11,-1.34,-10.48,1.36,1.22,1.82,-0.32, 经营现金净流量对负债比率(%),0.05,0.02,-0.01,0.23,0.11,0.06,-0.05,0.19,0.03,-0.02,-0.06,0.14,0.02,-0.05,-0.04,0.17,--,--,--,0.16,0.18,0.26,-0.06, 现金流量比率(%),4.55,2.13,-1.09,23.24,11.18,6.18,-5.27,19.2,3.19,-1.93,-5.72,13.59,2.48,-5.13,-4.04,17.03,--,--,--,16.42,18.01,26.31,-6.71,