报告日期,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2010-12-31,2009-12-31,2008-12-31, 应收账款周转率(次),0.99,4.75,3.65,2.46,1.2,5.05,3.46,2.2,1.1,4.27,3.05,2.08,1.03,3.97,3.14,2.01,0.98,3.82,2.77,1.85,0.86,4.03,2.84,1.96,0.87,4.1,3.28,2.24,--,6.34,5.78,--,8.42,6.05,6.93, 应收账款周转天数(天),91.04,75.8,73.88,73.19,75.03,71.29,77.93,81.75,81.65,84.33,88.59,86.56,86.97,90.66,85.99,89.61,92.2,94.28,97.4,97.32,104.41,89.34,95.11,91.61,103.4,87.89,82.37,80.37,--,56.74,46.72,--,42.75,59.54,51.93, 存货周转率(次),0.74,3.35,2.28,1.54,0.74,3.51,2.53,1.55,0.78,3.28,2.34,1.83,0.81,3.5,2.3,1.51,0.83,3.61,2.66,1.83,0.91,4.82,3.67,2.66,1.13,4.77,4.11,2.57,--,5.98,3.84,--,6.27,5.87,8.93, 固定资产周转率(次),--,1.52,--,0.8,--,1.57,--,0.69,--,1.22,--,0.6,--,1.36,--,0.89,--,2.68,--,1.36,--,5.21,--,3.08,--,5.06,--,--,--,5.6,4.12,--,--,--,1.62, 总资产周转率(次),0.14,0.7,0.5,0.36,0.17,0.76,0.54,0.34,0.17,0.63,0.45,0.31,0.15,0.54,0.41,0.27,0.13,0.59,0.45,0.3,0.15,0.74,0.55,0.39,0.17,0.94,0.76,0.69,--,1.68,1.16,--,1.81,--,1.62, 存货周转天数(天),121.8,107.53,118.21,116.8,122.32,102.66,106.79,116.5,115.62,109.9,115.16,98.61,111.11,102.75,117.41,119.49,108.03,99.76,101.47,98.48,99.14,74.73,73.48,67.79,79.87,75.47,65.66,69.92,--,60.22,70.31,--,57.45,61.37,40.32, 总资产周转天数(天),633.8,513.55,535.93,502.79,522.65,475,497.79,531.29,539.89,575.36,596.82,583.85,619.41,667.78,659.66,670.39,670.64,613.5,595.11,600.2,604.03,486.95,486.57,465,539.25,384.37,353.68,261.29,--,214.02,232.2,--,198.63,--,222.41, 流动资产周转率(次),0.36,1.67,1.1,0.79,0.37,1.76,1.29,0.79,0.4,1.62,1.2,0.82,0.39,1.29,0.96,0.58,0.28,1.07,0.75,0.48,0.23,1.05,0.76,0.52,0.22,1.29,1.03,1.04,--,2.61,1.75,--,2.96,2.55,300.67, 流动资产周转天数(天),249.58,215.72,245.1,226.59,240.96,204.41,209.86,227.16,223.99,221.72,225.47,219.46,229.83,278.31,281.19,311.2,318.13,337.3,359.62,373.21,389.44,341.43,357.24,343.31,409.65,278.34,262.42,172.76,--,138.12,154.23,--,121.68,140.96,1.2, 经营现金净流量对销售收入比率(%),-0.08,0.08,0.09,0.05,-0.05,-0.03,-0.03,-0.13,-0.16,-0.16,-0.22,-0.2,-0.29,-0.21,-0.31,-0.37,-0.32,-0.08,-0.01,0.07,0.01,0.05,-0.09,-0.15,-0.19,0.03,-0.06,-0.03,--,0,0.01,--,-0.01,-0.04,0.02, 资产的经营现金流量回报率(%),-0.01,0.05,0.04,0.02,-0.01,-0.02,-0.02,-0.04,-0.03,-0.1,-0.1,-0.06,-0.04,-0.12,-0.13,-0.1,-0.04,-0.04,-0,0.02,0,0.04,-0.05,-0.05,-0.03,0.02,-0.04,-0.02,--,0.01,0.01,--,-0.01,-0.05,0.03, 经营现金净流量与净利润的比率(%),--,--,4.11,3.63,-2.09,-8.12,-7.44,-4.13,-3.17,-33.62,-24.04,-64.9,--,--,--,--,--,-1.96,-0.22,1.17,0.11,1.1,-1.63,-2.41,-3.58,0.48,-0.71,-0.34,--,0.06,0.12,--,-0.1,-0.36,0.26, 经营现金净流量对负债比率(%),-0.02,0.11,0.08,0.04,-0.02,-0.06,-0.04,-0.1,-0.07,-0.24,-0.25,-0.15,-0.11,-0.31,-0.4,-0.25,-0.12,-0.12,-0.02,0.08,0,0.14,-0.18,-0.22,-0.11,0.14,-0.28,-0.06,--,0.02,0.02,--,-0.03,-0.13,0.08, 现金流量比率(%),-3.11,13.85,12.56,6.22,-2.42,-8.04,-5.3,-12.7,-7.57,-27.82,-27.28,-16.71,-11.85,-34.1,-44.55,-27.07,-13.29,-13.95,-1.92,8.99,0.47,16.72,-18.01,-25.56,-13.02,17.93,-32.49,-6.24,--,2.05,2.42,--,-3.04,-12.75,7.99,