报告日期,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2014-12-31, 应收账款周转率(次),3.98,2.7,1.34,5.72,4.1,2.61,1.31,5.87,4.1,2.69,--,5.46,--,5.41,5.51, 应收账款周转天数(天),67.76,66.59,67.26,62.96,65.78,69.06,68.72,61.35,65.87,66.98,--,65.9,--,66.53,65.38, 存货周转率(次),4.69,3,1.54,6.21,4.73,3.22,1.47,6.98,5.46,3.64,--,7.41,--,7.8,7.58, 固定资产周转率(次),--,1.04,--,2.52,--,1.39,--,3.09,2.38,1.53,--,2.87,--,2.66,1.12, 总资产周转率(次),0.48,0.32,0.16,0.82,0.63,0.42,0.19,1.17,0.89,0.59,--,1.12,--,1.1,1.12, 存货周转天数(天),57.56,59.94,58.37,57.95,57.09,55.82,61.34,51.6,49.43,49.51,--,48.62,--,46.15,47.47, 总资产周转天数(天),564.74,568.72,575.82,436.79,428.64,427.66,461.78,307.98,303.1,303.03,--,321.17,--,326.23,320.97, 流动资产周转率(次),0.76,0.5,0.24,1.36,1.01,0.67,0.31,2.15,1.61,1.11,--,2.14,--,2.33,251.35, 流动资产周转天数(天),354.19,359.57,370.37,265,267.41,268.42,293.73,167.55,167.34,162.26,--,168.17,--,154.57,1.43, 经营现金净流量对销售收入比率(%),0.17,0.16,0.16,0.16,0.17,0.11,0.03,0.15,0.16,0.13,0.05,0.16,0.22,0.13,0.14, 资产的经营现金流量回报率(%),0.08,0.05,0.02,0.11,0.08,0.04,0.01,0.16,0.13,0.07,--,0.16,--,0.13,0.15, 经营现金净流量与净利润的比率(%),1.43,1.29,1.6,1.53,1.49,1.4,0.79,1.36,1.36,1.11,0.48,1.05,1.44,1.43,1.7, 经营现金净流量对负债比率(%),0.29,0.17,0.09,0.37,0.28,0.13,0.02,0.34,0.27,0.16,--,0.35,--,0.25,0.31, 现金流量比率(%),34.04,19.85,10.06,42.23,31.31,14.25,2.15,37.38,29.84,17.32,--,39.73,--,28.63,36.19,