报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),2.35,3.73,4.33,5.94,6.62,6.39,6.14, 应收账款周转天数(天),153.15,96.53,83.17,60.6,54.38,56.3,58.59, 存货周转率(次),2.37,2.47,2.1,3.1,3.83,2.72,2.25, 固定资产周转率(次),51.77,37.92,12.75,9.58,--,--,1.11, 总资产周转率(次),0.48,0.52,0.39,0.74,1.2,--,1.11, 存货周转天数(天),152,145.85,171.64,116.22,93.98,132.4,159.73, 总资产周转天数(天),747.51,698.89,926.64,486.03,301,--,323.42, 流动资产周转率(次),0.66,0.62,0.41,0.81,1.39,1.67,131.88, 流动资产周转天数(天),548.28,577.48,874,443.02,258.44,215.58,2.73, 经营现金净流量对销售收入比率(%),0.17,-0.04,0.05,0.33,0.33,0.44,0.26, 资产的经营现金流量回报率(%),0.08,-0.02,0.01,0.22,0.28,0.6,0.29, 经营现金净流量与净利润的比率(%),1.37,-0.22,0.15,0.87,0.9,1.38,0.87, 经营现金净流量对负债比率(%),0.36,-0.08,0.28,2.43,1.59,1.94,1.42, 现金流量比率(%),63.98,-12.83,29.58,265.99,177.46,248.49,194.64,