报告日期,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2012-06-30,2011-12-31,2010-12-31,2009-12-31, 应收账款周转率(次),2.49,1.58,0.68,3.51,2.71,1.8,0.92,3.84,2.76,1.75,0.81,3.48,2.64,1.72,0.79,3.67,2.72,1.88,0.9,4.03,2.95,1.95,--,3.75,--,--,--,3.64,3.51,1.69,4.08,4.64,3.48, 应收账款周转天数(天),108.39,113.73,132.18,102.63,99.58,100.11,97.94,93.65,97.75,102.62,111.14,103.48,102.27,104.47,113.54,98.12,99.4,95.91,100.33,89.25,91.48,92.49,--,95.95,--,--,--,98.94,102.6,106.39,88.21,77.57,103.48, 存货周转率(次),1.97,1.2,0.49,3.03,2.38,1.63,0.92,4.07,3.06,2.03,0.89,4.33,2.97,2.01,0.96,4.24,2.99,2.03,0.81,3.56,2.34,1.57,--,3.12,--,--,--,3.14,2.91,1.57,3.11,3.18,2.48, 固定资产周转率(次),--,1.16,--,2.61,--,1.26,--,3.04,--,1.48,--,3.21,--,1.62,--,3.22,--,1.44,--,2.77,--,1.32,--,2.52,--,--,--,--,--,--,--,--,0.88, 总资产周转率(次),0.45,0.27,0.11,0.63,0.49,0.32,0.16,0.77,0.58,0.37,0.16,0.78,0.57,0.37,0.16,0.72,0.51,0.34,0.15,0.81,0.57,0.37,--,1.01,--,--,--,0.99,--,0.44,--,--,0.88, 存货周转天数(天),137.34,149.76,185.07,118.78,113.39,110.25,97.56,88.36,88.28,88.68,101.35,83.23,90.77,89.56,94.2,84.83,90.4,88.59,110.44,101.19,115.15,115.02,--,115.47,--,--,--,114.59,123.83,114.53,115.64,113.39,145.42, 总资产周转天数(天),594.98,655.02,812.27,570.16,553.96,559.18,565.33,469.18,464.96,482.32,576.92,463.5,475.02,489.13,548.78,501.6,524.88,521.89,603.22,441.88,477.88,484.26,--,355.35,--,--,--,365.04,--,412.94,--,--,409.93, 流动资产周转率(次),0.64,0.38,0.15,0.9,0.7,0.47,0.23,1.13,0.85,0.54,0.22,1.13,0.82,0.52,0.23,0.99,0.7,0.48,0.2,1.22,0.83,0.55,--,1.81,--,--,--,1.79,1.62,0.78,1.7,1.87,145.68, 流动资产周转天数(天),422.2,472.07,581.02,402.14,383.63,384.94,390.29,318.02,318.02,330.94,406.5,318.3,330.92,346.82,396.3,365,383.74,376.41,446.65,294.86,326.76,326.92,--,199.25,--,--,--,200.74,222.73,231.54,211.83,192.34,2.47, 经营现金净流量对销售收入比率(%),0.16,0.06,0.22,0.07,0.1,0.05,0.04,0.11,0.13,0.12,0.19,0.09,0.09,0.14,0.13,0.23,0.24,0.22,0.22,0.19,0.17,0.15,0.21,0.2,0.16,0.18,--,0.2,0.19,0.17,0.03,0.16,0.16, 资产的经营现金流量回报率(%),0.07,0.02,0.02,0.04,0.05,0.02,0.01,0.07,0.07,0.04,0.03,0.07,0.05,0.05,0.02,0.16,0.12,0.08,0.03,0.12,0.07,0.04,--,0.2,--,--,--,0.18,0.16,0.07,0.03,0.16,0.14, 经营现金净流量与净利润的比率(%),1.04,0.35,1.5,0.46,0.75,0.42,0.34,0.77,0.94,0.91,1.59,0.58,0.49,0.75,0.62,1.35,1.31,1.16,1.25,1.1,1.06,0.98,1.19,1.3,1.04,0.97,0.5,1.28,1.6,1.36,0.26,1.74,1.03, 经营现金净流量对负债比率(%),0.22,0.04,0.06,0.1,0.14,0.05,0.02,0.19,0.18,0.11,0.08,0.37,0.31,0.28,0.12,0.76,0.64,0.51,0.24,0.9,0.33,0.4,--,0.67,--,--,--,0.49,0.39,0.14,0.05,0.29,0.22, 现金流量比率(%),35.3,6,10.48,17.11,28.66,9.69,3.58,34.66,33.74,20.46,15.43,38.38,32.75,29.61,12.01,79.37,66.92,54.19,25.02,95.84,33.23,40.47,--,67.21,--,--,--,49.18,39.96,15.08,5.13,29.38,22.82,