报告日期,2022-03-31,2021-12-31,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2014-12-31,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),1.08,4.85,3.26,2.14,0.94,3.82,2.86,1.78,0.72,4.66,3.79,2.41,1.2,5.33,4.12,2.58,1.3,4.46,3.7,2.2,1.02,5.04,4.69,2.99,--,6.01,--,6.24,1.65,5.69,4.89,5.26, 应收账款周转天数(天),83.13,74.29,82.82,84.03,95.37,94.25,94.57,100.93,124.36,77.25,71.26,74.72,74.88,67.49,65.54,69.65,69.37,80.69,72.93,81.84,87.91,71.48,57.51,60.29,--,59.86,--,57.73,54.46,63.21,73.64,68.39, 存货周转率(次),0.66,3.61,2.66,1.63,0.74,4.06,3.21,1.88,0.82,4.69,3.3,2.04,1.03,4.26,2.79,2.07,1.05,4.29,3.49,2.33,1.03,6.08,4.66,3.42,--,6.76,--,7.01,1.57,6.37,3.77,2.13, 固定资产周转率(次),--,3.07,--,1.44,--,2.23,--,0.86,--,2.06,--,0.92,--,1.9,--,0.91,--,1.28,--,0.54,--,1.88,1.51,1.11,--,--,--,--,--,--,--,0.86, 总资产周转率(次),0.14,0.65,0.51,0.31,0.14,0.57,0.4,0.23,0.1,0.61,0.45,0.28,0.14,0.64,0.46,0.31,0.14,0.48,0.35,0.23,0.1,0.51,0.45,0.31,--,0.79,--,--,--,--,--,0.86, 存货周转天数(天),136.41,99.69,101.47,110.44,120.87,88.77,84.19,95.77,109.45,76.73,81.88,88.14,87.7,84.45,96.91,87.09,85.56,83.89,77.37,77.09,87.34,59.2,57.91,52.64,--,53.25,--,51.34,57.38,56.52,95.6,168.71, 总资产周转天数(天),646.09,551.72,526.01,577.66,665.68,635.03,670.31,774.53,927.84,588.43,599.33,634.47,655.98,566.13,583.78,579.34,626.3,749.53,782.16,799.29,906.34,700.8,596.29,574.9,--,457.67,--,--,--,--,--,419.34, 流动资产周转率(次),0.31,1.5,1.24,0.71,0.33,1.47,1.12,0.64,0.27,1.75,1.29,0.78,0.39,1.81,1.25,0.83,0.38,1.14,0.84,0.57,0.25,1.31,2.06,1.43,--,2.77,--,2.55,0.61,2.06,1.38,102.09, 流动资产周转天数(天),290.89,240.46,217.46,251.89,271.58,244.83,240.17,282.66,335.2,205.88,209.63,229.53,231.96,198.93,216.33,217.05,238.22,314.44,321.12,318.58,353.22,275.21,131.26,126.18,--,130.12,--,141.27,147.76,175.13,260.91,3.53, 经营现金净流量对销售收入比率(%),0.26,0.02,-0.02,0.01,-0.03,0.14,0.16,0.13,0.03,0.14,0.12,0.12,0.17,0.11,0.11,0.11,0.25,0.07,0.03,-0.06,-0.29,0.03,0.04,0.08,0.06,0.18,0.16,0.19,0.14,0.14,0.18,0.17, 资产的经营现金流量回报率(%),0.04,0.01,-0.01,0,-0,0.08,0.06,0.03,0,0.08,0.05,0.03,0.02,0.07,0.05,0.03,0.03,0.04,0.01,-0.02,-0.03,0.01,0.02,0.02,--,0.11,--,0.17,0.04,0.16,0.15,0.15, 经营现金净流量与净利润的比率(%),4.5,0.13,-0.15,0.12,-0.2,0.93,1.51,1.33,0.36,1.33,1.39,1.44,2.08,1.46,1.44,1.56,3.75,2.21,0.51,-0.83,-5.8,0.31,0.42,0.61,0.47,1.02,1.11,1.29,1.08,0.57,1.02,0.91, 经营现金净流量对负债比率(%),0.1,0.03,-0.03,0.01,-0.01,0.2,0.18,0.08,0.01,0.21,0.15,0.08,0.05,0.17,0.13,0.09,0.08,0.1,0.04,-0.05,-0.11,0.03,0.03,0.04,--,0.21,--,0.41,0.13,0.47,0.57,0.77, 现金流量比率(%),11.19,2.84,-3.51,1.05,-1.04,22.4,22.21,9.02,1.04,25.39,18.46,9.89,6.3,19.17,14.94,9.35,8.62,10.3,3.53,-5.21,-11.21,3.88,4.5,6.13,--,30.86,--,60.63,13.32,47.54,62.27,78.34,