报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),3.41,2.62,0.94,5.92,3.31,2.15,0.86,7.04,3.88,2.91,1.22,7.61,4.59,3.63,1.44,8.78,4.97,4.6,--,10.06,--,9.24,3.56,6.72,6.53,5.93, 应收账款周转天数(天),79.27,68.57,95.72,60.8,81.5,83.57,104.94,51.11,69.66,61.77,73.75,47.28,58.87,49.58,62.53,41.02,54.38,39.17,--,35.78,--,38.97,50.61,53.58,55.12,60.75, 存货周转率(次),2.16,1.63,0.6,3.64,1.9,1.48,0.55,3.6,2.05,1.52,0.62,3.73,2.34,1.79,0.81,4.06,2.97,1.98,--,3.72,--,3.46,1.31,3.58,4.56,3.83, 固定资产周转率(次),--,2.12,--,4.32,--,1.69,--,4.67,--,2.16,--,5.22,--,2.62,--,5.67,--,2.56,--,5.39,--,5.08,--,--,--,0.76, 总资产周转率(次),0.38,0.26,0.1,0.58,0.35,0.24,0.1,0.64,0.42,0.29,0.12,0.67,0.47,0.33,0.14,0.76,0.61,0.4,--,0.82,--,0.82,--,0.81,--,0.76, 存货周转天数(天),124.75,110.67,151.18,99.03,142.05,121.74,163.7,99.95,131.66,118.28,145.3,96.39,115.46,100.66,111.55,88.61,91.03,91.14,--,96.76,--,104.13,137.53,100.6,78.89,94, 总资产周转天数(天),710.9,682.08,870.41,623.48,777.87,749.38,942.41,566.48,644.7,625,754.4,538.44,569.26,551.98,656.46,471.39,442.26,447.21,--,441.01,--,439.78,--,446.87,--,471.08, 流动资产周转率(次),0.53,0.37,0.14,0.8,0.48,0.34,0.13,0.88,0.58,0.4,0.16,0.91,0.64,0.44,0.19,1.08,0.91,0.61,--,1.22,--,1.23,0.52,1.2,1.34,120.8, 流动资产周转天数(天),511.07,487.01,625.43,451.58,563.44,535.87,679.25,410.96,469.48,453.17,552.49,395.39,422.67,405.68,483.61,333.21,297.39,294.5,--,296.1,--,293.23,342.92,299.78,269.3,2.98, 经营现金净流量对销售收入比率(%),0.08,0.13,-0.3,0.19,0.09,-0.05,-0.41,0.17,-0.01,0.01,-0.17,0.16,0.02,0.09,-0.14,0.07,-0.01,0.05,0.01,0.15,0.04,0.1,0.06,0.12,0.1,0.07, 资产的经营现金流量回报率(%),0.03,0.03,-0.03,0.1,0.03,-0.01,-0.04,0.1,-0,0,-0.02,0.1,0.01,0.03,-0.02,0.05,-0.01,0.02,--,0.12,--,0.08,0.02,0.1,0.08,0.05, 经营现金净流量与净利润的比率(%),0.53,0.77,-3.3,1.3,0.71,-0.46,-4.69,1.1,-0.06,0.07,-1.37,1.03,0.1,0.53,-1.23,0.49,-0.08,0.28,0.09,1.11,0.33,0.8,0.32,0.94,1,0.72, 经营现金净流量对负债比率(%),0.08,0.1,-0.09,0.3,0.09,-0.04,-0.12,0.31,-0.01,0.01,-0.06,0.31,0.02,0.08,-0.06,0.14,-0.01,0.04,--,0.24,--,0.15,0.04,0.16,0.11,0.07, 现金流量比率(%),10.52,12.66,-11.04,36.95,10.69,-5.49,-16.18,41.16,-1.63,1.69,-8.48,42.39,3.33,11.88,-7.81,19.87,-2.01,6.22,--,34.96,--,20.89,5.64,22.76,14.89,9.36,