报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31, 应收账款周转率(次),2.17,1.62,0.86,3.73,2.79,1.73,0.78,3.09,2.24,1.53,--,3.28,--,--,--,3.19,1.57,2.57,2.43,2.55, 应收账款周转天数(天),124.28,111.37,104.46,96.52,96.76,104.29,114.72,116.65,120.73,118.01,--,109.73,--,--,--,112.96,114.76,140.02,148.38,141.38, 存货周转率(次),2.05,1.4,0.8,4.29,3.48,2.38,1.11,5.86,4.49,3.37,1.77,6.32,--,--,--,4.35,2.31,3.3,2.92,3.1, 固定资产周转率(次),--,0.43,--,1.01,--,0.51,--,1.29,--,0.64,--,1.63,--,--,--,1.67,--,--,--,0.53, 总资产周转率(次),0.18,0.13,0.07,0.34,0.27,0.18,0.08,0.44,0.34,0.21,0.14,0.6,--,--,--,0.55,--,0.47,--,0.53, 存货周转天数(天),131.66,128.19,113.18,83.99,77.7,75.58,81.42,61.42,60.2,53.44,50.72,56.99,--,--,--,82.7,77.84,109.14,123.39,116.16, 总资产周转天数(天),1512.61,1387.82,1357.47,1047.12,988.29,984.68,1077.84,824.93,805.73,854.3,647.02,603.82,--,--,--,651.47,--,770.22,--,675.8, 流动资产周转率(次),0.46,0.37,0.18,0.84,0.6,0.4,0.18,1.03,0.79,0.47,0.42,1.88,--,--,--,1.69,0.82,1.18,1.09,125.67, 流动资产周转天数(天),582.65,480.9,506.19,427.6,450.45,449.55,502.23,348.43,341.04,381.76,214.34,191.61,--,--,--,212.97,220.56,305.06,329.55,2.86, 经营现金净流量对销售收入比率(%),-0.43,-0.42,-0.28,0.12,0.11,0.01,-0.27,0.17,0.22,0.26,0.23,0.15,0.07,0.08,0.11,0.23,0.17,0.11,0.15,0.13, 资产的经营现金流量回报率(%),-0.06,-0.05,-0.02,0.04,0.03,0,-0.02,0.06,0.07,0.05,0.03,0.08,--,--,--,0.12,0.05,0.04,0.07,0.07, 经营现金净流量与净利润的比率(%),-9,-10.29,-4.41,1.45,1.28,0.19,-13.39,1.34,1.46,1.47,1.23,0.79,0.38,0.42,0.57,1.2,0.79,0.64,4.53,--, 经营现金净流量对负债比率(%),-0.12,-0.12,-0.05,0.13,0.11,0.01,-0.09,0.21,0.24,0.14,0.07,0.16,--,--,--,0.27,0.11,0.09,0.16,0.16, 现金流量比率(%),-31.55,-22.67,-10.22,17.17,16.25,1.17,-13.56,30.06,32.67,18.49,8.5,19.51,--,--,--,34.9,13.13,11.19,18.92,16.84,