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, 应收账款周转率(次),5.14,3.46,2.12,15.18,10.05,5.29,3.45,14.06,6.57,4.11,2.65,15.52,4.76,--,--,--,--,--,--,13.18, 应收账款周转天数(天),52.49,52.06,42.53,23.72,26.86,34.01,26.12,25.6,41.08,43.84,33.96,23.2,56.77,--,--,--,--,--,--,27.31, 存货周转率(次),3.33,2.36,1.29,4.32,3.24,2.91,1.45,2.46,2.43,2.04,0.86,3.32,3.06,2.51,--,3.72,--,3.76,3.92,3.65, 固定资产周转率(次),--,1.73,--,3.65,--,2.64,--,2.82,--,2.3,--,4.79,--,3.09,--,4.94,--,3.99,--,1.14, 总资产周转率(次),0.58,0.42,0.22,0.85,0.64,0.49,0.27,0.57,0.51,0.44,0.23,1.01,0.75,0.67,--,1.25,--,1.2,1.21,1.14, 存货周转天数(天),81.16,76.15,70,83.39,83.3,61.94,61.86,146.35,111.01,88.08,104.75,108.32,88.17,71.73,--,96.69,--,95.83,91.8,98.6, 总资产周转天数(天),467.21,424.03,403.59,425.99,422.07,364.74,336.95,630.03,527.96,412.47,388.94,358.07,360.67,268.22,--,288.05,--,299.93,298.04,315.54, 流动资产周转率(次),0.9,0.66,0.35,1.31,0.97,0.71,0.39,0.84,0.77,0.63,0.32,1.48,1.08,1.03,--,2.03,--,2.15,2.14,193.58, 流动资产周转天数(天),299.07,271.17,260.87,275.1,277.15,252.42,229.18,427.05,352.34,286.53,280.29,243.69,250.02,175,--,177.32,--,167.63,168.56,1.86, 经营现金净流量对销售收入比率(%),-0.07,-0.17,-0.1,0.11,0.12,0.13,0.16,0.14,0.05,0.07,0.05,0.12,0.08,0.06,-0.03,0.16,0.05,0.01,0.11,0.14, 资产的经营现金流量回报率(%),-0.04,-0.07,-0.02,0.08,0.07,0.06,0.04,0.08,0.02,0.03,0.01,0.1,0.05,0.04,--,0.18,--,0.01,0.13,0.16, 经营现金净流量与净利润的比率(%),-0.9,-1.72,-0.94,0.67,0.72,0.72,0.86,3.52,0.69,0.53,0.35,1.1,0.85,0.61,-0.31,1.85,0.84,0.14,1.42,1.81, 经营现金净流量对负债比率(%),-0.13,-0.22,-0.07,0.24,0.21,0.15,0.11,0.28,0.13,0.11,0.04,0.4,0.16,0.08,--,0.34,--,0.02,0.25,0.26, 现金流量比率(%),-13.71,-23.95,-7.39,25.29,22.58,16.1,11.72,30.29,15.32,12.08,4.06,44.19,17.01,8.39,--,36.58,--,2.47,27.11,26.48,