报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),7.98,5.27,2.46,11.91,7.42,4.48,1.69,11.82,7.37,4.85,2.29,13.19,9.13,5.73,2.65,12.14,7.47,4.52,1.81,12.21,7.63,5.16,--,14,--,12.09,10.24,9.87, 应收账款周转天数(天),33.84,34.16,36.53,30.23,36.39,40.18,53.29,30.46,36.65,37.08,39.24,27.29,29.56,31.43,33.98,29.66,36.15,39.84,49.66,29.48,35.39,34.89,--,25.72,--,29.78,35.17,36.47, 存货周转率(次),4.1,2.47,1.18,5.15,3.68,2.37,0.81,5.53,3.84,2.49,1.13,5.96,4.12,2.55,1.18,6.95,5.05,2.98,1.65,7.55,4.8,2.84,--,7.25,--,6.99,5.99,5.78, 固定资产周转率(次),--,1.62,--,3.8,--,1.79,--,4.91,--,2.37,--,4.89,--,2.28,--,4.17,--,1.69,--,3.63,2.31,1.42,--,4.22,--,6.03,--,1.24, 总资产周转率(次),0.69,0.43,0.21,0.97,0.7,0.43,0.16,1.07,0.8,0.53,0.24,1.08,0.78,0.5,0.22,1.09,0.77,0.46,0.2,1.12,0.75,0.46,--,1.04,--,1.27,1.35,1.24, 存货周转天数(天),65.79,73.01,76.56,69.85,73.42,75.82,110.78,65.1,70.3,72.22,79.91,60.38,65.55,70.56,76.39,51.84,53.51,60.4,54.68,47.68,56.23,63.48,--,49.68,--,51.5,60.12,62.26, 总资产周转天数(天),392.67,420.86,427.15,369.27,385.71,419.58,564.62,336.07,335.74,342.34,377.04,332.53,347.62,356.58,410.58,330.76,350.79,391.56,445.1,320.46,361.2,392.76,--,344.63,--,283.04,266.88,291.5, 流动资产周转率(次),1.24,0.77,0.41,1.81,1.31,0.79,0.3,1.82,1.33,0.87,0.39,1.71,1.22,0.79,0.34,1.87,1.34,0.81,0.35,2.33,1.6,0.99,--,2.08,--,2.27,2.19,191.17, 流动资产周转天数(天),218.29,234.96,218.39,198.36,206.55,227.68,304.26,197.7,202.92,208.07,232.68,210.15,221.89,226.61,261.86,192.59,201.78,221.89,256.05,154.4,168.46,181.91,--,173.28,--,158.65,164.76,1.88, 经营现金净流量对销售收入比率(%),-0.04,-0.05,-0.02,0.14,0.11,0.08,-0.11,0.12,0.04,-0.03,-0.16,0.06,0.02,-0.08,-0.23,0.12,0.05,-0.11,-0.27,0.07,0.02,-0.01,-0.3,0.14,-0.02,0.18,0.08,0.18, 资产的经营现金流量回报率(%),-0.02,-0.02,-0,0.13,0.07,0.03,-0.02,0.12,0.03,-0.02,-0.04,0.06,0.01,-0.04,-0.05,0.11,0.03,-0.04,-0.05,0.07,0.01,-0.01,--,0.14,--,0.21,0.11,0.22, 经营现金净流量与净利润的比率(%),-0.57,-0.66,-0.18,1.35,0.96,0.68,-1.2,1.04,0.32,-0.26,-1.18,0.52,0.14,-0.71,-2.12,1.33,0.61,-1.53,-3.76,0.85,0.2,-0.15,-3.25,1.6,-0.21,2.14,1.24,2.64, 经营现金净流量对负债比率(%),-0.12,-0.13,-0.02,0.55,0.39,0.14,-0.11,0.62,0.2,-0.1,-0.22,0.28,0.06,-0.18,-0.23,0.41,0.13,-0.17,-0.18,0.17,0.03,-0.01,--,0.32,--,0.41,0.2,0.37, 现金流量比率(%),-13.33,-14.54,-2.12,62.3,45.3,16.31,-13.74,72.86,23.69,-12.01,-26.9,32.9,6.99,-20.4,-27.15,46.91,15.26,-20.13,-20.85,19.41,3.61,-1.49,--,35.36,--,43.77,20.28,36.53,