报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2016-06-30,2015-12-31,2014-12-31, 应收账款周转率(次),1.13,6.86,5.28,3.29,1.45,10.72,8.9,6.3,--,11.92,--,5.61,10.91,11.68,6.37,7.61,--, 应收账款周转天数(天),79.33,52.49,51.18,54.65,62.08,33.58,30.34,28.55,--,30.2,--,32.1,33,30.82,28.25,47.31,--, 存货周转率(次),1.16,6.76,3.96,2.49,1.01,8.67,4.9,4.84,--,11.78,--,4.85,12.49,7.33,2.33,7.26,123.85, 固定资产周转率(次),--,12.13,--,5.16,--,23.98,--,9.11,--,--,--,--,--,--,--,--,3.58, 总资产周转率(次),0.11,0.76,0.52,0.35,0.15,1.51,0.9,1.09,--,2.36,--,--,--,--,--,--,3.58, 存货周转天数(天),77.91,53.26,68.11,72.17,88.87,41.54,55.09,37.16,--,30.57,--,37.15,28.82,49.11,77.38,49.57,2.91, 总资产周转天数(天),819.67,476.25,524.07,513.99,606.47,238.82,299.67,165.41,--,152.23,--,--,--,--,--,--,100.56, 流动资产周转率(次),0.17,1.03,0.66,0.45,0.17,1.72,1.04,1.38,--,2.83,--,1.17,2.74,2.9,1.28,3.71,358.57, 流动资产周转天数(天),514.87,350.95,407.79,403.59,539.25,208.79,258.84,130.24,--,127.22,--,154.29,131.25,124.15,140.58,97.04,1, 经营现金净流量对销售收入比率(%),-0.14,0.34,0.32,0.19,0.14,0.1,0.12,0.14,-0.18,0.1,-0,0.21,0.11,0.05,0.19,-0.11,0.15, 资产的经营现金流量回报率(%),-0.02,0.22,0.15,0.06,0.02,0.1,0.08,0.15,--,0.21,--,0.19,0.22,0.11,0.22,-0.21,0.53, 经营现金净流量与净利润的比率(%),-0.53,1.27,1.51,0.94,0.64,0.67,1.01,1.16,-1.26,0.64,-0.01,1.49,0.57,0.44,1.35,-1.72,23.38, 经营现金净流量对负债比率(%),-0.08,1.02,0.72,0.26,0.22,1.02,1.02,0.95,--,1.01,--,0.67,1.22,0.36,0.84,-0.73,0.56, 现金流量比率(%),-8.26,104.19,73.2,26.07,22.49,102.67,102.18,94.87,--,101.49,--,66.66,121.79,36.45,84.38,-72.56,55.97,