报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2014-06-30,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),2.61,14.84,10.36,6.94,3.28,17.59,11.5,7.99,3.87,16.66,10.74,7.21,3.47,12.98,--,5.94,--,10.9,13.29,7.18,14.18,14.99,16.95, 应收账款周转天数(天),34.47,24.27,26.06,25.93,27.46,20.46,23.48,22.54,23.24,21.61,25.15,24.96,25.96,27.74,--,30.28,--,33.03,27.08,25.08,25.4,24.02,21.24, 存货周转率(次),1.51,6.9,5.32,3.58,1.58,6.98,5.55,3.88,1.55,6.77,5.2,3.82,1.6,5.79,--,3.17,--,5.37,6.01,3.7,5.94,6.58,7.39, 固定资产周转率(次),--,7.96,--,4.11,--,9.47,--,4.99,--,10.15,--,6.11,--,9.56,--,4.81,--,--,--,--,--,--,2.33, 总资产周转率(次),0.31,1.49,1.14,0.77,0.37,1.57,1.18,0.81,0.33,1.44,1.07,0.75,0.33,1.39,--,0.83,--,1.47,--,1.07,--,--,2.33, 存货周转天数(天),59.57,52.14,50.76,50.26,56.92,51.59,48.66,46.44,57.93,53.16,51.94,47.13,56.12,62.17,--,56.77,--,67.01,59.88,48.7,60.62,54.68,48.72, 总资产周转天数(天),294.7,242.02,236.82,234.99,244.3,229.89,229.14,222.58,269.06,250.24,251.87,241.25,269.38,258.84,--,216.97,--,244.13,--,167.6,--,--,154.19, 流动资产周转率(次),0.54,2.44,1.64,1.09,0.53,2.14,1.58,1.08,0.44,1.84,1.36,0.95,0.42,1.83,--,1.16,--,2.06,2.57,1.5,2.8,3.07,338.66, 流动资产周转天数(天),166.42,147.47,164.5,164.44,171.1,168,171.15,167.32,205.76,195.4,199.01,190.4,214.39,196.36,--,155.4,--,174.46,140.23,119.86,128.6,117.34,1.06, 经营现金净流量对销售收入比率(%),-0.01,0.1,0.12,0.1,0.1,0.05,0.06,0.07,0.08,0.07,0.11,0.12,0.07,0.07,0.07,0.1,0.17,0.13,0.09,0.08,0.07,0.04,0.03, 资产的经营现金流量回报率(%),-0,0.15,0.13,0.07,0.04,0.08,0.07,0.05,0.02,0.1,0.11,0.08,0.02,0.08,--,0.08,--,0.19,0.17,0.09,0.12,0.07,0.06, 经营现金净流量与净利润的比率(%),-0.1,1.28,1.56,1.19,1.45,0.71,0.83,0.85,1.18,0.99,1.35,1.32,0.95,0.84,0.81,1.05,1.98,1.53,1.19,1,1.1,0.75,0.64, 经营现金净流量对负债比率(%),-0.01,0.57,0.48,0.22,0.11,0.3,0.22,0.17,0.07,0.38,0.4,0.33,0.08,0.35,--,0.26,--,0.63,0.46,0.2,0.27,0.15,0.13, 现金流量比率(%),-0.66,59.81,49.7,22.82,11.09,30.94,23.09,17.61,7.04,38.94,40.46,33.19,8.5,35.33,--,26.74,--,64.69,46.88,20.1,28.55,16.98,13.7,