报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),0.91,3.52,2.72,1.77,0.88,3.94,2.93,1.85,0.91,3.4,2.59,1.79,0.84,3.35,2.56,1.69,0.8,3.16,2.38,1.58,0.73,3.04,--,1.43,--,2.55,2.92,2.47, 应收账款周转天数(天),99.15,102.27,99.25,101.63,102.44,91.37,92.27,97.42,98.45,106.03,104.15,100.83,106.71,107.52,105.53,106.7,112.64,114,113.32,113.81,123,118.44,--,125.94,--,141.28,123.22,145.55, 存货周转率(次),1,3.65,2.78,1.87,0.84,3.56,2.85,1.79,0.84,2.89,2.13,1.46,0.75,2.98,2.2,1.42,0.79,2.68,1.83,1.23,0.59,2.9,--,1.78,--,2.86,3.02,2.25, 固定资产周转率(次),--,1.96,--,0.99,--,1.75,--,0.83,--,1.46,--,0.8,--,2.01,--,1.32,--,2.77,--,1.53,--,2.87,--,1.44,--,--,--,0.68, 总资产周转率(次),0.11,0.41,0.31,0.2,0.09,0.43,0.32,0.23,0.11,0.4,0.3,0.21,0.11,0.41,0.3,0.2,0.1,0.45,0.33,0.23,0.1,0.65,--,0.35,--,0.61,--,0.68, 存货周转天数(天),90.33,98.69,97,96.4,107.49,101.16,94.67,100.73,107.77,124.73,126.98,123.67,120.29,120.71,122.45,126.98,113.44,134.34,147.81,146.1,151.64,124.19,--,101.17,--,125.78,119.15,160.15, 总资产周转天数(天),797.17,874.21,874.35,880.63,977.2,847.06,847.46,782.95,827.97,908.17,897.9,861.24,856.33,884.52,887.87,903.61,921.19,799.29,816.45,784.31,889.33,551.56,--,507.76,--,588.52,--,533.33, 流动资产周转率(次),0.17,0.61,0.46,0.3,0.13,0.65,0.49,0.38,0.18,0.61,0.47,0.32,0.16,0.56,0.42,0.27,0.13,0.61,0.44,0.3,0.13,0.95,--,0.52,--,0.92,1.25,123.94, 流动资产周转天数(天),530.35,593.77,589.13,597.61,684.93,558.05,549.56,472.81,503.36,585.46,570.1,555.04,561.1,642.97,644.39,662.98,695.52,589.49,611.69,601.2,704.23,378.95,--,346.62,--,392.37,288.51,2.9, 经营现金净流量对销售收入比率(%),0.5,0.34,0.39,0.41,0.46,0.31,0.24,0.18,0.25,0.35,0.29,0.32,0.29,0.5,0.46,0.44,0.51,0.44,0.4,0.4,0.34,0.3,0.23,0.35,0.41,0.32,0.26,0.21, 资产的经营现金流量回报率(%),0.05,0.13,0.12,0.08,0.04,0.11,0.07,0.04,0.03,0.13,0.09,0.07,0.03,0.19,0.13,0.09,0.05,0.15,0.1,0.07,0.03,0.17,--,0.12,--,0.18,0.17,0.14, 经营现金净流量与净利润的比率(%),1.66,1.06,1.18,1.32,1.52,1,0.86,0.68,0.92,1.1,0.89,0.91,0.8,1.26,1.16,1.05,1.25,1,0.95,0.94,0.82,0.68,0.54,0.85,1.01,0.84,0.69,0.48, 经营现金净流量对负债比率(%),0.37,1.02,0.95,0.65,0.4,1.1,0.64,0.34,0.26,1.52,1,0.86,0.49,2.61,2.17,1.47,1.05,3.41,3.24,2.22,0.21,3.06,--,1.68,--,2.98,2.2,1.8, 现金流量比率(%),41.35,116.07,110.01,74.43,47.23,130.78,75.76,41.09,32.2,195.73,130.5,118.68,49.9,268.1,223.55,147.92,105.71,347.07,337.94,222.14,20.72,306.35,--,180.24,--,326.04,239.51,180.3,