报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2017-12-31,2016-12-31,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 应收账款周转率(次),1.49,6.19,4.03,2.48,1.08,5.43,3.56,2.04,--,--,--,--,--,1.79,3.91,3.49,4.35, 应收账款周转天数(天),60.52,58.18,67.05,72.62,83.36,66.26,75.91,88.24,--,--,--,--,--,100.33,92.1,103.3,82.74, 存货周转率(次),1.25,4.47,3.1,1.78,0.88,3.94,2.58,1.8,--,4.4,--,5.08,4.87,2.16,4.17,3.69,5.17, 固定资产周转率(次),--,10.6,--,4.29,--,--,--,--,--,--,--,--,--,--,--,--,0.95, 总资产周转率(次),0.22,0.78,0.56,0.33,0.14,0.81,0.73,0.48,--,--,--,--,--,--,--,--,0.95, 存货周转天数(天),71.97,80.5,87.02,100.94,101.91,91.35,104.54,99.96,--,81.78,--,70.83,73.98,83.27,86.31,97.49,69.66, 总资产周转天数(天),407.24,461.36,482.49,547.11,639.2,442.48,369.1,375.16,--,--,--,--,--,--,--,--,380.23, 流动资产周转率(次),0.27,0.95,0.68,0.4,0.17,1.05,1.01,0.67,--,1.55,--,1.5,1.3,0.63,1.33,1.16,141.99, 流动资产周转天数(天),338.73,379.79,397.7,445.88,518.73,342.89,266.27,270.47,--,231.57,--,240.24,277.26,287.86,270.55,310.56,2.54, 经营现金净流量对销售收入比率(%),-0.31,0.1,0.01,-0.02,-0.04,0.12,0.02,-0.02,-0.23,0.11,0.08,0.03,0.16,0.1,0.13,0.06,0.05, 资产的经营现金流量回报率(%),-0.07,0.07,0.01,-0.01,-0.01,0.08,0.01,-0.01,--,0.11,--,0.03,0.12,0.04,0.1,0.05,0.05, 经营现金净流量与净利润的比率(%),-3.27,1.42,0.13,-0.24,-0.45,1.38,0.19,-0.26,-4.75,1.04,0.76,0.35,1.99,1.19,1.77,2.34,1.05, 经营现金净流量对负债比率(%),-0.18,0.18,0.01,-0.02,-0.02,0.26,0.03,-0.02,--,0.21,--,0.05,0.21,0.06,0.17,0.07,0.07, 现金流量比率(%),-27.03,25.99,1.77,-2.62,-2.43,36.69,3.81,-2.62,--,28.91,--,6.32,29.97,8.28,21.46,8.86,9.43,