报告日期,2022-03-31,2021-12-31,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2015-12-31, 应收账款周转率(次),1.07,4.34,2.92,1.88,0.87,4.51,2.87,2.05,1.05,7.13,4.22,2.45,--,5.88,--,--,4.37,3.66,4.51, 应收账款周转天数(天),84.39,83,92.41,95.75,103.33,79.84,94.02,87.84,85.67,50.5,64.01,73.57,--,61.22,--,--,82.47,98.48,79.82, 存货周转率(次),0.58,4.22,3.28,1.97,0.86,4.85,2.95,1.45,0.72,5.23,3.47,2.22,--,4,--,1.72,4.29,4.1,3.83, 固定资产周转率(次),--,7.79,--,3.82,--,9.35,--,2.86,--,9.3,--,3.74,--,--,--,--,--,--,1.07, 总资产周转率(次),0.14,0.9,0.79,0.49,0.21,1.14,0.74,0.38,0.17,1.43,1.1,0.68,--,1.24,--,--,--,--,1.07, 存货周转天数(天),153.87,85.32,82.39,91.49,104.44,74.24,91.53,124.4,125.26,68.79,77.71,81.03,--,89.96,--,104.53,83.97,87.76,94.09, 总资产周转天数(天),659.82,400.31,342.64,369.38,434.36,315.54,363.44,474.56,524.78,251.91,245.08,264.63,--,289.27,--,--,--,--,335.85, 流动资产周转率(次),0.18,1.14,1.03,0.63,0.26,1.41,0.91,0.48,0.22,1.82,1.41,0.9,--,1.69,--,0.76,1.76,1.54,128.3, 流动资产周转天数(天),501.11,316.37,263.13,287.45,345.09,255.19,295.53,376.96,415.7,197.38,190.83,199.98,--,212.53,--,237.84,204.27,234.07,2.81, 经营现金净流量对销售收入比率(%),-0.13,-0.07,-0.13,-0.2,-0.21,0.04,-0.04,-0.13,-0.21,0.03,0.05,-0.1,-0.2,0.15,0.03,-0.11,0.13,0.01,-0.09, 资产的经营现金流量回报率(%),-0.02,-0.06,-0.1,-0.1,-0.04,0.04,-0.02,-0.05,-0.04,0.04,0.05,-0.06,--,0.17,--,-0.06,0.16,0.01,-0.1, 经营现金净流量与净利润的比率(%),-2.94,-3.66,-3.28,-6.72,--,1.45,-1.08,-5.83,--,0.63,0.84,-2.54,-29.68,1.79,0.35,-2.5,2.57,0.34,-14.72, 经营现金净流量对负债比率(%),-0.06,-0.16,-0.19,-0.18,-0.09,0.07,-0.05,-0.13,-0.12,0.09,0.07,-0.11,--,0.34,--,-0.1,0.28,0.02,-0.34, 现金流量比率(%),-6.59,-16.54,-19.22,-18.83,-8.85,6.99,-4.79,-13.39,-12.24,9.26,7.7,-12.05,--,40.18,--,-11.98,30.36,2.31,-34.47,