报告日期,2022-03-31,2021-12-31,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),1.01,4.82,3.74,2.41,1.1,3.71,2.77,1.73,0.69,3.71,2.94,1.76,0.9,4.05,3.05,2.08,0.94,4.14,3.14,2.03,0.85,3.88,--,2.03,--,4.07,2.04,4.48,4.89,5.06, 应收账款周转天数(天),89.34,74.62,72.26,74.6,81.99,97,97.42,104.21,129.78,96.95,91.97,102.16,100.13,88.92,88.46,86.65,95.59,86.99,85.94,88.52,105.92,92.81,--,88.67,--,88.56,88.45,80.42,73.64,71.17, 存货周转率(次),0.85,3.92,2.92,1.77,0.78,3.23,2.38,1.48,0.57,3.28,2.44,1.53,0.86,3.44,2.66,1.72,0.73,3.56,2.56,1.64,0.61,3.13,--,1.46,--,2.88,1.35,3.08,3.16,3.17, 固定资产周转率(次),--,4.84,--,2.44,--,3.25,--,1.28,--,3.09,--,1.44,--,3.31,--,1.64,--,3.34,--,1.58,--,2.93,--,--,--,2.94,--,--,--,1.05, 总资产周转率(次),0.15,0.87,0.69,0.45,0.2,0.73,0.53,0.31,0.13,0.74,0.55,0.35,0.19,0.87,0.67,0.45,0.2,0.97,0.71,0.45,0.17,0.89,--,0.43,--,0.9,0.45,1.03,--,1.05, 存货周转天数(天),106.03,91.81,92.56,101.44,115.99,111.56,113.41,121.77,159.24,109.64,110.47,117.71,104.06,104.71,101.62,104.57,123.64,101.02,105.31,109.6,148.1,115.1,--,123.32,--,125.17,133.78,116.71,114.07,113.72, 总资产周转天数(天),596.42,414.89,390.4,399.82,444.01,491.47,512.33,580.46,714.29,487.34,494.78,519.48,483.09,415.37,401.07,397.7,442.48,370.68,379.37,398.76,514.58,403.9,--,422.73,--,399.25,400.98,351.05,--,341.88, 流动资产周转率(次),0.28,1.56,1.22,0.81,0.33,1.3,0.96,0.58,0.23,1.3,0.97,0.58,0.31,1.39,1,0.68,0.31,1.55,1.14,0.72,0.28,1.54,--,0.76,--,1.56,0.76,1.63,1.59,156.45, 流动资产周转天数(天),322.12,231.41,220.46,221.38,271.25,276.24,282.34,311.85,384.12,276.8,278.12,309.17,287.36,259.4,269.84,263.47,289.95,232,236.06,248.86,327.15,233.13,--,235.6,--,231.33,236.03,220.55,226.05,2.3, 经营现金净流量对销售收入比率(%),0.16,0.03,0.05,0.09,0.01,0.01,0.08,0.16,-0.05,0.18,0.24,0.25,0.33,0.02,-0.08,-0.05,-0.14,0.04,-0.04,-0.11,-0.15,0.14,0.11,0.16,0.36,0.14,0.2,0.1,0.04,0.04, 资产的经营现金流量回报率(%),0.02,0.03,0.03,0.04,0,0.01,0.04,0.05,-0.01,0.13,0.13,0.09,0.06,0.01,-0.05,-0.02,-0.03,0.03,-0.03,-0.05,-0.02,0.12,--,0.07,--,0.13,0.09,0.1,0.04,0.04, 经营现金净流量与净利润的比率(%),4.82,0.79,1.65,2.55,0.16,0.83,3.39,12.18,-1.44,5.54,6.97,7.78,11.47,0.29,-1.54,-0.97,-2.32,0.56,-0.6,-1.64,-5.01,2.37,2.26,3.18,360.21,4.31,6.3,2.77,1.07,1.19, 经营现金净流量对负债比率(%),0.05,0.05,0.06,0.07,0,0.02,0.1,0.14,-0.02,0.29,0.3,0.18,0.13,0.02,-0.11,-0.05,-0.06,0.07,-0.06,-0.09,-0.04,0.18,--,0.1,--,0.19,0.13,0.14,0.06,0.06, 现金流量比率(%),5.67,6.08,7.45,7.82,0.34,2.29,10.85,14.3,-1.76,33.23,34.51,19.88,14.26,2.74,-11.71,-5.35,-6.56,7.75,-6.43,-9.91,-4.43,19.14,--,10.98,--,20.87,13.78,16.19,5.97,6.19,