报告日期,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),1.15,0.84,0.36,1.82,1.07,0.72,0.39,1.5,0.86,0.48,0.24,1.57,0.99,0.71,0.3,2.01,1.2,0.72,--,2.28,--,2.51,3.46,6.31,7.64, 应收账款周转天数(天),234.07,213.88,246.78,198.04,251.98,249.51,229.71,240.51,312.61,373.06,375.31,228.72,273.17,254.6,299.7,179.02,225.7,250.24,--,157.87,--,143.56,103.98,57.06,47.13, 存货周转率(次),5.78,4.26,1.35,9.6,4.89,3.41,1.93,6.05,2.18,1.28,1.09,4.78,3.3,2.43,1.22,7.17,3.67,2.54,--,8.91,--,7.39,7.07,8.08,6.3, 固定资产周转率(次),--,1.48,--,2.81,--,1.08,--,1.94,--,0.59,--,3.18,--,5.49,--,15.93,--,8.35,--,--,--,--,--,--,0.83, 总资产周转率(次),0.23,0.16,0.07,0.32,0.2,0.13,0.07,0.23,0.14,0.07,0.04,0.23,0.16,0.1,0.05,0.36,0.22,0.21,--,0.53,--,--,--,--,0.83, 存货周转天数(天),46.71,42.21,66.66,37.49,55.27,52.76,46.52,59.48,123.62,140.39,82.27,75.33,81.92,74.04,73.63,50.24,73.51,70.84,--,40.38,--,48.69,50.89,44.57,57.14, 总资产周转天数(天),1157.8,1109.74,1212.94,1134.93,1339.95,1361.57,1347.31,1566.58,1889.43,2448.98,2374.67,1553.73,1718.65,1787.49,1986.76,1003.06,1230.07,846.66,--,676.06,--,--,--,--,432.43, 流动资产周转率(次),0.33,0.23,0.1,0.45,0.29,0.19,0.09,0.3,0.18,0.09,0.05,0.28,0.19,0.12,0.05,0.41,0.25,0.23,--,0.56,--,0.52,0.55,0.72,88.06, 流动资产周转天数(天),807.66,785.34,860.42,803.75,938.15,966.18,950.37,1185.77,1541.1,1993.36,1939.66,1285.26,1418.81,1488.83,1648.35,872.09,1081.3,793.65,--,642.28,--,687.68,656.34,501.11,4.09, 经营现金净流量对销售收入比率(%),-0.04,0.04,-0.62,0.12,-0.2,-0.28,-0.3,0.09,-0.19,-0.32,-0.41,0.17,-0.2,0.01,-0.79,0.15,-0.37,-0.67,-1.13,0.36,-0.51,0.35,0.3,0.25,0.45, 资产的经营现金流量回报率(%),-0.01,0.01,-0.05,0.04,-0.04,-0.04,-0.02,0.02,-0.03,-0.02,-0.02,0.04,-0.03,0,-0.04,0.04,-0.06,-0.14,--,0.19,--,0.16,0.15,0.12,0.38, 经营现金净流量与净利润的比率(%),-0.17,0.18,-2.82,1.01,-1.49,-2.02,-1.71,2.27,-3.26,--,--,0.92,-1.31,0.05,--,0.47,-2.36,-3.83,-25.05,1.03,-2.81,0.91,0.75,0.61,1.59, 经营现金净流量对负债比率(%),-0.05,0.04,-0.3,0.21,-0.28,-0.29,-0.17,0.17,-0.51,-0.42,-0.26,0.69,-0.65,0.02,-0.84,0.66,-1.27,-1.05,--,1.13,--,1.04,1.33,1.27,2.21, 现金流量比率(%),-5.55,4.21,-31.74,23.62,-31.1,-33.76,-19.92,19.95,-76.69,-62.97,-40.53,101.52,-85.9,2.33,-117.91,80.39,-174.96,-125.62,--,134.95,--,119.04,159.27,177.54,299.51,