报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),2.19,2.87,3.9,2.13,2.13,2.48,2.52,1.6, 应收账款周转天数(天),164.44,125.48,92.32,168.76,168.89,145.13,142.95,224.87, 存货周转率(次),1.74,2.47,4.4,1.95,1.46,1.74,1.8,1.08, 固定资产周转率(次),0.81,1.27,2.15,1.58,3.7,--,--,0.52, 总资产周转率(次),0.24,0.33,0.62,0.5,0.5,0.69,--,0.52, 存货周转天数(天),206.93,145.61,81.76,184.88,246.19,207.27,199.86,334.29, 总资产周转天数(天),1480.26,1091.57,583.47,713.44,713.72,523.48,--,692.71, 流动资产周转率(次),0.47,0.55,0.99,1.04,0.87,0.94,1.07,83.1, 流动资产周转天数(天),771.21,649.82,364.82,345.49,413.6,381.92,335.85,4.33, 经营现金净流量对销售收入比率(%),-0.14,0.01,0.03,0.1,0.16,-0.03,0.09,-0.22, 资产的经营现金流量回报率(%),-0.03,0,0.01,0.04,0.07,-0.02,0.05,-0.12, 经营现金净流量与净利润的比率(%),--,0.14,0.13,0.48,0.68,-0.09,0.31,-1.4, 经营现金净流量对负债比率(%),-0.06,0.01,0.03,0.1,0.17,-0.08,0.3,-0.79, 现金流量比率(%),-8.34,1.1,3.91,15.4,21.77,-7.73,29.72,-78.52,