报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31, 应收账款周转率(次),3,3.08,3.15,2.64,5.63,6.59,6.49,7.64,8.42,6.97,5.78,9.26,12.61,25.6,11,6.41,3.9,5.5,4.09,3.78,4.3,4.13,4.79,7.5,11.44,7.42,4.89, 应收账款周转天数(天),120.06,116.74,114.3,136.13,63.89,54.63,55.48,47.13,42.77,51.66,62.25,38.9,28.54,14.06,32.74,56.14,92.28,65.45,88.03,95.13,83.68,87.17,75.23,47.98,31.46,48.54,73.69, 存货周转率(次),2.9,2.64,2.69,2.31,4.86,5.6,6.83,9.19,12.32,11.63,12.64,30.39,30.97,23.46,8.22,6.06,3.1,4.7,4.93,4.72,3.71,2.75,2.78,4.28,9.69,9.87,12.31, 固定资产周转率(次),13.19,11.1,11.43,9.94,16.47,16.22,13.27,10.79,9.25,6.67,6.51,13.07,18.73,26.37,9.39,6.63,5.04,10.49,10.78,14.07,26.17,25.92,24.48,29.49,34.59,26.23,2.31, 总资产周转率(次),0.69,0.64,0.64,0.52,0.97,1.05,1,0.98,0.94,0.83,0.99,2.15,2.92,4.19,1.61,1.09,0.68,1.13,1.07,1.2,1.38,1.18,1.25,2.03,3.97,2.91,2.31, 存货周转天数(天),124.3,136.49,133.64,155.7,74.1,64.31,52.7,39.17,29.22,30.95,28.47,11.85,11.62,15.35,43.82,59.36,115.95,76.65,73.01,76.31,97.14,131.1,129.64,84.14,37.15,36.46,29.24, 总资产周转天数(天),519.93,566.93,562.59,687.55,370.83,342.79,359.07,368.14,382.94,436.31,362.06,167.4,123.39,85.96,223.17,331.16,527.47,319.23,335.79,299.8,261.31,304.9,288.65,177.64,90.61,123.61,156.06, 流动资产周转率(次),0.88,0.84,0.84,0.67,1.2,1.3,1.34,1.53,1.68,1.4,1.53,3.19,4.14,5.73,2.22,1.52,0.92,1.45,1.33,1.44,1.54,1.28,1.35,2.22,4.52,3.35,262.29, 流动资产周转天数(天),406.83,429.39,426.19,539.89,300.35,277.61,268.22,235.06,214.36,256.81,235.77,112.95,87.04,62.84,162.52,237.2,389.69,248.96,270.43,249.5,233.22,280.68,265.9,162.21,79.61,107.55,1.37, 经营现金净流量对销售收入比率(%),0.01,-0.01,-0.03,-0.03,-0,0.02,-0.06,-0.02,0,0.09,-0.04,0.04,-0.02,0.02,0.02,0.1,-0.06,-0.09,0.13,0.11,0.06,-0.1,--,--,--,--,--, 资产的经营现金流量回报率(%),0.01,-0.01,-0.02,-0.02,-0,0.02,-0.06,-0.02,0,0.07,-0.04,0.08,-0.07,0.08,0.02,0.12,-0.04,-0.11,0.14,0.11,0.08,-0.11,--,--,--,--,--, 经营现金净流量与净利润的比率(%),0.29,-0.26,-0.57,-0.63,-0.06,0.42,-0.91,-0.28,0.03,1.46,-1.36,3.08,-1.34,4.61,--,10.3,--,--,4.83,2.61,1.33,-2.41,--,--,--,--,--, 经营现金净流量对负债比率(%),0.05,-0.05,-0.1,-0.07,-0.02,0.1,-0.34,-0.08,0.01,0.38,-0.2,0.21,-0.18,0.16,0.05,0.28,-0.09,-0.26,0.3,0.22,0.14,-0.17,--,--,--,--,--, 现金流量比率(%),5.1,-4.99,-9.76,-7.27,-1.54,10.53,-35.15,-8.41,0.78,40.34,-20.6,21.91,-18.48,16.02,4.78,28.91,-8.87,-26.97,31.19,23.55,13.76,-17.48,--,--,--,--,--,