报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),1.24,0.87,0.42,1.84,1.19,0.77,0.39,2.12,1.49,1.06,0.53,2.46,1.59,1.16,0.55,2.69,1.77,1.12,0.56,3.03,--,1.2,--,2.82,3.32,2.58,1.86, 应收账款周转天数(天),218.11,207.54,215.11,195.63,226.62,232.71,230.18,169.93,181.49,170.04,168.86,146.51,169.78,155.12,162.25,133.66,152.85,161.44,161.9,118.68,--,150.06,--,127.66,108.3,139.66,193.24, 存货周转率(次),2.04,1.39,0.77,2.76,2.37,1.54,0.66,2.69,2.04,1.49,0.63,2.37,1.68,1.44,0.62,2.44,1.57,1.26,0.58,2.75,--,1.21,--,2.41,3.02,3.21,2.79, 固定资产周转率(次),--,5.4,--,9.78,--,4.54,--,8.79,--,4.6,--,11.05,--,6.08,--,19.54,--,7.66,--,14.52,--,--,--,--,--,--,0.75, 总资产周转率(次),0.5,0.35,0.17,0.71,0.54,0.35,0.16,0.76,0.6,0.42,0.2,0.73,0.57,0.4,0.18,0.74,0.52,0.34,0.16,0.89,--,0.41,--,0.76,--,--,0.75, 存货周转天数(天),132.56,129.23,117.37,130.52,114.07,116.81,135.42,133.63,132.5,120.89,142.34,151.92,160.47,125.26,144.9,147.77,171.44,143.37,154.61,131.01,--,149.15,--,149.55,119.28,112.21,129.09, 总资产周转天数(天),536.78,521.74,515.46,509.63,497.88,516.65,555.56,472.01,451.51,427.25,460.59,493.02,477.45,444.66,500,486.49,521.03,526.62,580.65,404.36,--,439.35,--,470.77,--,--,477.33, 流动资产周转率(次),0.62,0.42,0.21,0.85,0.65,0.42,0.19,0.9,0.7,0.49,0.23,0.86,0.66,0.48,0.22,0.9,0.62,0.41,0.19,1.1,--,0.5,--,0.91,1.09,1.12,91.04, 流动资产周转天数(天),436.82,426.24,422.34,422.73,416.35,432.28,465.36,399.29,386.54,367.57,396.48,420.95,409.46,375.94,418.22,401.47,435.34,434.36,478.47,328.77,--,360.5,--,397.09,330,320.09,3.95, 经营现金净流量对销售收入比率(%),-0.05,-0.09,-0.34,0.1,-0.08,-0.09,-0.32,0.02,-0.19,-0.17,-0.44,0.04,-0.22,-0.2,-0.6,0.04,-0.16,-0.33,-0.78,0.11,-0.18,-0.19,-0.47,0.09,0.1,0.19,0.18, 资产的经营现金流量回报率(%),-0.03,-0.03,-0.06,0.06,-0.04,-0.03,-0.05,0.02,-0.11,-0.07,-0.09,0.03,-0.11,-0.08,-0.11,0.02,-0.07,-0.1,-0.1,0.09,--,-0.08,--,0.06,0.07,0.15,0.14, 经营现金净流量与净利润的比率(%),-0.79,-1.39,-7.96,1.14,-0.95,-0.95,-3.9,0.25,-2.08,-1.86,-5.49,0.44,-2.19,-2.13,-7.82,0.4,-1.52,-3.34,-10.68,0.79,-1.45,-1.76,-6.89,0.69,0.7,1.19,1.39, 经营现金净流量对负债比率(%),-0.05,-0.07,-0.12,0.12,-0.07,-0.05,-0.09,0.03,-0.21,-0.15,-0.19,0.05,-0.23,-0.2,-0.35,0.06,-0.22,-0.4,-0.42,0.22,--,-0.17,--,0.14,0.21,0.41,0.4, 现金流量比率(%),-5.75,-6.83,-13,12.29,-7.33,-5.74,-10.2,3.02,-21.48,-15.53,-19.27,5.32,-23.09,-19.97,-35.09,6.41,-22.72,-40.86,-42.67,21.88,--,-17.56,--,14.36,22.74,42.4,39.88,