报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),0.8,5.26,3.85,2.5,1.15,5.8,4.34,2.87,1.51,6.94,5.04,3.27,1.49,6,--,2.86,--,6.11,6.12,5.09,4.48, 应收账款周转天数(天),112.01,68.47,70.21,71.89,78.54,62.08,62.2,62.68,59.74,51.84,53.61,55.11,60.22,60.05,--,62.89,--,58.89,58.85,70.77,80.4, 存货周转率(次),0.51,3.05,2.15,1.38,0.65,2.92,2.15,1.44,0.73,2.93,2.31,1.48,0.7,2.57,--,1.22,--,2.6,2.43,2.37,2.38, 固定资产周转率(次),--,2.73,--,1.46,--,2.83,--,1.35,--,2.63,--,1.26,--,2.18,--,--,--,2.26,--,--,0.61, 总资产周转率(次),0.1,0.7,0.51,0.33,0.15,0.68,0.51,0.34,0.16,0.75,0.57,0.36,0.15,0.71,--,0.33,--,0.7,0.66,0.62,0.61, 存货周转天数(天),176.44,117.94,125.61,130.02,139.32,123.14,125.68,125.13,123.76,122.84,117.12,121.64,128.72,140.18,--,147.44,--,138.62,147.98,151.78,151.13, 总资产周转天数(天),884.96,514.95,532.33,549.95,616.44,526.62,525.7,533.81,561.45,483.16,477.45,497.93,589.01,507.04,--,544.46,--,512.02,544.38,581.21,588.62, 流动资产周转率(次),0.17,1.26,0.89,0.63,0.28,1.28,0.94,0.62,0.29,1.44,1.09,0.69,0.29,1.56,--,0.73,--,1.58,1.43,1.33,133.23, 流动资产周转天数(天),535.71,286.33,302.83,285.13,320.51,281.45,288.25,291.45,310.45,250.59,248.53,262.66,315.02,230.56,--,247.52,--,227.68,251.48,270.7,2.7, 经营现金净流量对销售收入比率(%),-0,0.07,0.06,-0.03,-0,-0.02,-0.03,-0.06,0,0.1,0.08,0.1,0.15,0.15,0.12,0.17,0.23,0.1,0.1,0.1,0.11, 资产的经营现金流量回报率(%),-0,0.05,0.03,-0.01,-0,-0.01,-0.02,-0.02,0,0.06,0.04,0.03,0.02,0.11,--,0.06,--,0.07,0.07,0.06,0.07, 经营现金净流量与净利润的比率(%),-0.04,0.65,0.61,-0.32,-0.03,-0.22,-0.33,-0.59,0.02,1.04,0.87,1.07,1.94,1.48,1.26,2.23,3.26,2.23,1.34,1.65,1.69, 经营现金净流量对负债比率(%),-0,0.19,0.11,-0.04,-0,-0.05,-0.07,-0.08,0,0.28,0.19,0.12,0.07,0.29,--,0.15,--,0.21,0.17,0.16,0.18, 现金流量比率(%),-0.09,21.37,12.4,-4.24,-0.13,-6.13,-7.77,-9.46,0.14,34.04,22.56,14.25,8.12,33.27,--,17.13,--,24.91,19.95,17.75,21,