报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2016-12-31,2015-12-31,2014-12-31,2011-12-31,2010-12-31,2009-12-31, 应收账款周转率(次),42.5,24.05,11.53,10.89,6.66,2.51,1.05,2.3,1.29,0.78,0.35,2.27,--,--,--,--,--,--,--,3.24,6.92,6.75,3.7, 应收账款周转天数(天),6.35,7.48,7.8,33.07,40.54,71.69,85.82,156.82,209.32,230,255.25,158.4,--,--,--,--,--,--,--,111.16,52.01,53.31,97.29, 存货周转率(次),4.65,2.01,1.56,4.11,3.35,2.2,0.81,1.67,0.9,0.68,0.29,1.51,1.21,0.76,--,1.67,--,1.19,0.63,0.63,1.56,1.76,2.13, 固定资产周转率(次),--,1.74,--,2.83,--,1.45,--,2.19,--,2.22,--,5.37,--,3.07,--,5.22,--,2.61,--,0.29,--,--,0.77, 总资产周转率(次),0.91,0.46,0.23,0.79,0.55,0.33,0.15,0.36,0.22,0.16,0.07,0.52,0.65,0.44,--,0.94,--,0.64,0.31,0.29,0.96,--,0.77, 存货周转天数(天),58.09,89.71,57.59,87.68,80.64,81.8,111.63,216,299.07,266.08,309.07,238.13,222.37,237.91,--,215.44,--,303.13,572.88,571.07,230.5,204.64,169.21, 总资产周转天数(天),297.29,393.61,390.79,458.13,493.15,552.83,599.6,1006.71,1240.81,1142.86,1319.65,688.47,413.22,408.44,--,382.82,--,564,1154.59,1238.82,373.87,--,468.02, 流动资产周转率(次),1.58,0.79,0.38,1.54,1.04,0.56,0.27,0.51,0.28,0.18,0.08,0.61,0.84,0.57,--,1.3,--,1.06,0.53,50.23,1.24,1.28,138.78, 流动资产周转天数(天),170.86,226.7,237.03,233.99,258.79,321.54,338.47,704.5,958.13,994.48,1173.4,586.03,320.7,317.24,--,276.71,--,341.1,674.16,7.17,289.83,280.64,2.59, 经营现金净流量对销售收入比率(%),-0.04,-0.05,-0.02,0.03,0.08,0.11,0.23,-0.26,-0.17,-0.15,-0.41,-0.01,0,0.05,-0.11,0.15,0.11,0.03,0.05,0.04,0.07,0.5,0.22, 资产的经营现金流量回报率(%),-0.03,-0.02,-0,0.02,0.04,0.03,0.03,-0.08,-0.03,-0.02,-0.03,-0,0,0.02,--,0.11,--,0.02,0.02,0.01,0.07,0.34,0.17, 经营现金净流量与净利润的比率(%),-0.22,-0.22,-0.1,0.16,0.45,0.76,1.62,-1.14,-0.52,-0.47,-1.18,-0.02,0.02,0.17,-0.37,0.51,0.41,0.15,0.61,0.74,0.27,1.72,0.83, 经营现金净流量对负债比率(%),-0.07,-0.04,-0.01,0.04,0.07,0.06,0.08,-0.2,-0.09,-0.13,-0.24,-0.02,0.01,0.06,--,0.25,--,0.06,0.04,0.03,0.13,0.53,0.33, 现金流量比率(%),-7.06,-4.89,-1.14,4.33,9.78,8.3,8.11,-20.41,-9.35,-12.97,-23.98,-1.94,1.05,6.14,--,24.95,--,5.57,4.14,3.09,13.46,53.31,33.13,