报告日期,2022-03-31,2021-12-31,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),1.67,8.52,6.71,4.39,1.91,7.63,4.81,3.22,1.5,6.83,4.92,3.12,1.25,6.19,4.28,2.92,1.3,6.35,4.66,3.33,1.33,6.87,--,--,--,6.46,6.78,7.31,7.06, 应收账款周转天数(天),53.84,42.24,40.25,41.04,47.06,47.2,56.08,55.92,59.9,52.69,54.86,57.74,71.86,58.2,63.06,61.65,69.45,56.67,57.98,54.09,67.77,52.39,--,--,--,55.72,53.07,49.22,50.97, 存货周转率(次),0.59,3.23,2.01,1.28,0.62,2.7,1.71,1.09,0.52,2.76,1.7,1.11,0.43,3.02,1.89,1.43,0.6,3.66,2.03,1.61,0.8,4.69,--,--,--,4.48,4.56,4.9,4.36, 固定资产周转率(次),--,2.06,--,0.96,--,1.88,--,0.85,--,2.05,--,0.94,--,2.08,--,0.97,--,1.94,--,0.91,--,1.83,--,--,--,--,--,--,0.78, 总资产周转率(次),0.15,0.71,0.5,0.32,0.15,0.63,0.45,0.28,0.13,0.69,0.48,0.3,0.12,0.73,0.5,0.34,0.16,0.77,0.53,0.36,0.17,0.81,--,--,--,0.76,--,--,0.78, 存货周转天数(天),151.59,111.54,134.64,140.45,145.42,133.33,158.02,164.52,173.28,130.35,159.13,162.25,209.3,119.24,143.14,126.25,149.93,98.38,132.99,111.96,112.35,76.71,--,--,--,80.36,78.92,73.42,82.56, 总资产周转天数(天),614.33,503.99,542.93,565.68,597.61,567.55,601.07,648.88,696.06,522.34,559.82,590.55,742.57,493.76,539.25,527.24,579.15,468.14,513.41,506.33,518.43,444.33,--,--,--,475.5,--,--,463.5, 流动资产周转率(次),0.34,1.66,1.12,0.72,0.33,1.46,1.01,0.64,0.29,1.52,0.99,0.63,0.24,1.46,0.95,0.66,0.3,1.56,1.06,0.71,0.36,1.74,--,--,--,1.57,1.49,1.65,183.77, 流动资产周转天数(天),263.16,217.22,240.13,249.55,273.81,247.22,266.19,281.34,311.96,236.9,273.2,285.26,377.04,246.91,284.78,274.01,299.1,230.81,255.25,251.85,253.16,207.41,--,--,--,229.3,241.19,218.01,1.96, 经营现金净流量对销售收入比率(%),0.01,0.06,0.04,0.12,0.01,0.08,0.06,0.11,0.09,0.08,0.01,-0.04,0.08,0.12,0,-0.2,-0.2,-0.07,-0.15,-0.19,0.03,0.07,0.07,0.1,0.09,0.12,0.05,0.06,0.25, 资产的经营现金流量回报率(%),0,0.04,0.02,0.04,0,0.04,0.03,0.03,0.01,0.05,0.01,-0.01,0.01,0.09,0,-0.07,-0.03,-0.05,-0.07,-0.06,0,0.06,--,--,--,0.09,0.04,0.04,0.19, 经营现金净流量与净利润的比率(%),0.57,1.83,1.82,5.68,0.59,3.54,2.24,4.73,3.98,4.08,0.53,-2.27,4.4,5.46,0.12,-7.81,-8.34,-2.85,-6.48,-6.5,0.99,2.16,2.4,3.23,2.79,4.37,1.94,1.79,7.88, 经营现金净流量对负债比率(%),0,0.07,0.03,0.06,0,0.07,0.03,0.04,0.01,0.07,0.01,-0.01,0.01,0.11,0,-0.09,-0.04,-0.06,-0.1,-0.08,0.01,0.07,--,--,--,0.12,0.05,0.04,0.23, 现金流量比率(%),0.28,8.1,3.91,6.87,0.33,8.29,3.95,4.53,1.72,8.92,0.91,-1.78,1.37,12.28,0.22,-9.46,-4.28,-6.76,-11.45,-9.85,0.65,8.28,--,--,--,12.5,5.25,4.52,24.98,