报告日期,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),7.03,2.5,12.83,9.71,6.79,2.77,14.06,10.26,6.48,2.69,14.57,12.55,9.74,4.66,17.46,11.8,8.63,--,12.2,--,11.72,13.44,11.31, 应收账款周转天数(天),25.62,35.93,28.06,27.81,26.52,32.47,25.6,26.31,27.8,33.41,24.72,21.51,18.48,19.31,20.62,22.88,20.87,--,29.5,--,30.72,26.79,31.84, 存货周转率(次),2.17,1.09,3.27,3.2,2.18,1.18,3.38,2.28,1.58,0.66,2.42,2.2,1.74,0.95,2.94,2.46,1.7,--,3.16,--,3.13,2.97,3, 固定资产周转率(次),1.22,--,2.13,--,1.07,--,2.34,--,1.22,--,2.3,--,1.28,--,2.81,2.29,1.54,--,--,--,--,--,1.17, 总资产周转率(次),0.54,0.27,0.99,0.76,0.52,0.28,1.04,0.73,0.49,0.24,0.98,0.76,0.53,0.3,1.33,1.06,0.72,--,1.35,--,--,--,1.17, 存货周转天数(天),83.09,82.77,109.93,84.32,82.49,76.25,106.56,118.58,113.69,135.54,148.48,122.68,103.69,94.33,122.55,109.87,105.66,--,113.78,--,115.09,121.35,119.82, 总资产周转天数(天),333.89,339.49,362.61,357.28,343.84,318.81,345.29,372.31,363.93,377.83,367.87,356.01,336.83,298.51,271.41,255.15,248.34,--,267.46,--,--,--,306.46, 流动资产周转率(次),1.35,0.64,2.49,2,1.42,0.7,2.47,1.66,1.17,0.53,2.28,1.69,1.13,0.61,3.34,2.83,1.91,--,3.14,--,2.77,2.54,209.53, 流动资产周转天数(天),133.52,141.62,144.36,135.1,126.6,128.33,146.04,162.41,153.71,168.89,158,159.98,159.83,146.37,107.89,95.44,94.26,--,114.67,--,129.77,141.85,1.72, 经营现金净流量对销售收入比率(%),0.2,0.24,0.13,0.1,0.13,0.07,0.14,0.05,0.13,-0.1,0.02,0.07,0.15,0.14,0.19,0.19,0.2,0.19,0.14,0.15,0.12,0.12,0.13, 资产的经营现金流量回报率(%),0.1,0.06,0.11,0.07,0.06,0.02,0.13,0.03,0.06,-0.02,0.01,0.04,0.07,0.04,0.22,0.2,0.14,--,0.18,--,0.15,0.16,0.15, 经营现金净流量与净利润的比率(%),1.47,1.94,1.45,1.1,1.23,0.79,2.18,0.67,1.64,-0.87,0.18,0.67,1.3,1.15,1.51,1.53,1.38,1.39,1.22,1.4,1.28,1.15,1.74, 经营现金净流量对负债比率(%),0.2,0.11,0.21,0.15,0.15,0.04,0.3,0.08,0.16,-0.06,0.03,0.13,0.24,0.14,0.48,0.49,0.41,--,0.39,--,0.27,0.28,0.26, 现金流量比率(%),20.24,10.69,21.41,15.49,15.52,3.87,31.26,7.95,17.09,-6.04,3.38,13.79,26.47,14.99,51.68,55.36,47.67,--,42.64,--,28.71,28.44,26.18,