报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2017-03-31,2016-12-31,2016-06-30,2015-12-31,2015-06-30,2014-12-31,2014-06-30,2013-12-31,2013-06-30,2012-12-31,2011-12-31, 应收账款周转率(次),1.36,4.56,3.21,2.03,--,4.25,2.9,--,0.82,4.23,--,--,0.97,4.29,1.95,0.86,4.41,2.2,4.7,2.24,5.58,2.81,6.57,2.94,5.62,5.71, 应收账款周转天数(天),66.32,78.87,84.07,88.62,--,84.79,93.09,--,110.2,85.01,--,--,92.36,83.85,92.46,105.19,81.64,81.86,76.67,80.27,64.47,64.04,54.76,61.15,64.06,63.06, 存货周转率(次),1.05,3.79,2.49,1.42,--,3.18,2.12,--,0.6,3.88,3.15,2.21,1.11,4.73,1.88,0.9,4.66,2.32,4.09,1.77,3.84,2.12,4.71,1.97,3.76,3.57, 固定资产周转率(次),--,22.64,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,20.96,49.93,28.35,47.62,1.42, 总资产周转率(次),0.1,0.44,0.3,0.28,0.12,0.77,0.56,--,--,--,--,--,--,--,--,--,--,--,--,--,1.23,0.6,1.43,0.71,1.39,1.42, 存货周转天数(天),85.82,95.09,108.26,126.84,--,113.36,127.35,--,150.18,92.84,85.83,81.48,81.38,76.12,95.91,99.73,77.3,77.7,87.95,101.63,93.77,84.96,76.41,91.28,95.67,100.93, 总资产周转天数(天),885.83,814.3,906.34,639.66,769.23,469.54,477.96,--,--,--,--,--,--,--,--,--,--,--,--,--,292.92,300.35,250.98,254.63,259.31,253.9, 流动资产周转率(次),0.11,0.48,0.31,0.29,--,0.81,0.6,--,0.2,1.11,0.86,0.56,0.26,1.11,0.52,0.24,1.09,0.51,1.17,0.65,1.36,0.66,1.53,0.75,1.46,149.36, 流动资产周转天数(天),805.73,753.14,884.67,614.54,--,446.43,452.94,--,453.4,325.79,313.04,318.75,342.47,324.76,343.45,382.17,331.13,355.66,306.46,277.52,265.45,273.89,235.14,240.87,246.66,2.41, 经营现金净流量对销售收入比率(%),0.04,0.09,0.09,0.08,-0.05,0.15,0.11,0.06,0.08,0.11,0.11,0.01,-0.07,0.14,-0.04,-0.24,0.05,0.04,0.12,0.03,-0.05,-0.02,0.12,0.05,0.12,0.12, 资产的经营现金流量回报率(%),0,0.03,0.02,0.02,-0.01,0.09,0.05,--,0.02,0.11,0.08,0.01,-0.02,0.14,-0.02,-0.06,0.04,0.02,0.11,0.02,-0.06,-0.01,0.16,0.04,0.15,0.17, 经营现金净流量与净利润的比率(%),0.18,0.37,0.4,0.4,-0.25,0.75,0.6,0.32,0.51,0.65,0.63,0.06,-0.55,0.81,-0.3,-2.12,0.36,0.39,1.08,0.48,-0.54,-0.27,1.04,0.36,0.96,1.22, 经营现金净流量对负债比率(%),0.06,0.35,0.29,0.2,--,0.63,0.53,--,0.08,0.54,0.46,0.04,-0.15,0.81,-0.15,-0.34,0.17,0.07,0.65,0.12,-0.24,-0.06,0.58,0.11,0.49,0.48, 现金流量比率(%),7,37.67,31.38,23.17,--,64.01,55.15,--,8.25,54.87,46.57,4.55,-15.82,85.91,-16.95,-38.29,18.74,8.32,87.8,18.77,-33.61,-8.7,83.13,15.96,75.63,75.59,