报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),1.21,6.15,4.33,2.18,0.92,3.43,2.49,1.64,0.85,3.15,2.52,1.74,--,2.93,--,1.33,2.77,3.02,3.29, 应收账款周转天数(天),74.25,58.58,62.33,82.56,97.53,104.99,108.3,109.47,105.55,114.37,107.23,103.45,--,123,--,135.71,130.04,119.02,109.43, 存货周转率(次),1.92,9.87,7.39,3.85,1.74,5.54,4.36,2.88,1.45,4.74,3.79,2.84,--,4.67,--,2.74,4.2,4.07,5.55, 固定资产周转率(次),--,5.27,--,2.1,--,3.2,--,1.62,--,3.71,--,2.55,--,--,--,--,--,--,0.99, 总资产周转率(次),0.3,1.57,1.11,0.56,0.25,0.89,0.66,0.45,0.22,0.86,0.71,0.47,--,0.98,--,--,--,--,0.99, 存货周转天数(天),46.85,36.48,36.53,46.78,51.73,64.99,61.93,62.49,62.11,75.89,71.32,63.36,--,77.07,--,65.74,85.77,88.48,64.92, 总资产周转天数(天),304.05,229.96,243.02,319.94,365.41,404.72,409.21,400.09,407.06,419.83,382.33,380.71,--,369.08,--,--,--,--,365.41, 流动资产周转率(次),0.49,2.61,1.87,0.94,0.41,1.48,1.12,0.75,0.37,1.39,1.21,0.79,--,1.45,--,0.72,1.49,1.36,127.03, 流动资产周转天数(天),182.11,138.11,144.06,191.18,218.02,242.52,241.91,239.14,243.31,258.57,223.07,227.62,--,247.8,--,251.26,241.71,264.12,2.83, 经营现金净流量对销售收入比率(%),-0.19,0.02,-0.02,0.01,-0.02,0.02,-0.03,-0.02,-0.02,0.05,0.13,0.19,0.2,0.15,0.11,0.18,0.01,-0.1,0.05, 资产的经营现金流量回报率(%),-0.06,0.03,-0.02,0.01,-0,0.02,-0.02,-0.01,-0,0.03,0.09,0.09,--,0.13,--,0.08,0.01,-0.09,0.05, 经营现金净流量与净利润的比率(%),--,2.42,-1.68,0.57,-0.92,0.49,-0.66,-0.27,-0.27,0.57,1.71,2.38,2.29,1.58,1.31,2.07,0.07,-0.91,1.22, 经营现金净流量对负债比率(%),-0.1,0.05,-0.05,0.01,-0.01,0.04,-0.06,-0.02,-0.02,0.14,0.28,0.25,--,0.34,--,0.19,0.02,-0.2,0.12, 现金流量比率(%),-13.58,6.59,-4.77,1.5,-1,4.52,-7.05,-2.65,-2.13,17.55,39.6,33.56,--,45.7,--,23.32,1.62,-20.01,12.09,