报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-12-30,2018-09-30,2018-06-30,2017-12-31,2017-06-30,2016-12-31,2016-06-30,2015-12-31,2015-03-31,2014-12-31,2013-12-31, 应收账款周转率(次),11.78,6.66,3.02,10.96,9.81,4.81,2.01,13.19,8.22,7.02,--,12.12,--,--,--,8.08,3.28,4.51,1.49,5.17,1.35,6.48,4.8, 应收账款周转天数(天),22.92,27.03,29.83,32.84,27.54,37.4,44.81,27.29,32.83,25.63,--,29.71,--,--,--,44.55,54.96,79.77,120.44,69.57,66.89,55.58,75.02, 存货周转率(次),4.03,2.06,0.94,3.77,2.47,1.32,0.6,3.94,2.92,2.15,--,4.45,--,--,2.48,3.47,1.35,1.85,0.83,2.36,0.63,2.64,2.63, 固定资产周转率(次),--,0.81,--,1.36,--,0.55,--,1.33,1.02,0.71,--,--,--,--,--,--,--,--,--,--,--,--,0.48, 总资产周转率(次),0.44,0.25,0.1,0.39,0.28,0.16,0.07,0.49,0.54,0.39,--,0.79,--,--,--,--,--,--,--,--,--,--,0.48, 存货周转天数(天),66.93,87.2,95.67,95.57,109.2,136.35,149.03,91.27,92.36,83.58,--,80.94,--,--,72.44,103.78,133.27,194.38,216.29,152.76,143.79,136.61,136.64, 总资产周转天数(天),614.06,727.27,859.6,932.64,974.38,1123.6,1376.15,739.52,499.63,459.07,--,458.19,--,--,--,--,--,--,--,--,--,--,746.73, 流动资产周转率(次),0.76,0.43,0.18,0.6,0.42,0.24,0.1,0.87,1.45,1.1,--,2.79,--,--,1.53,2.12,0.8,1.2,0.48,1.14,0.21,1.06,100.99, 流动资产周转天数(天),353.4,414.08,504.2,596.62,645.16,746.89,924.97,415.03,185.77,163.1,--,129.12,--,--,117.85,170.02,225.54,299.55,374.45,315.29,421.74,338.63,3.56, 经营现金净流量对销售收入比率(%),0.56,0.51,0.4,0.28,0.29,0.23,-0.04,0.1,0.11,0.15,-0.05,0.2,--,0.23,0.24,0.22,0.11,0.06,0.25,-0.13,0.24,0.36,0.22, 资产的经营现金流量回报率(%),0.21,0.12,0.04,0.11,0.08,0.04,-0,0.04,0.05,0.05,--,0.15,--,--,0.1,0.12,0.02,0.02,0.03,-0.04,0.02,0.12,0.11, 经营现金净流量与净利润的比率(%),1.68,1.56,1.55,1,0.98,0.82,-0.18,0.48,0.47,0.64,-0.31,1.59,--,1.74,2.04,2.65,1.68,0.8,3.08,-1.93,5.33,5.28,--, 经营现金净流量对负债比率(%),0.77,0.56,0.25,0.61,0.43,0.19,-0.01,0.15,0.09,0.1,--,0.25,--,--,0.14,0.14,0.03,0.02,0.03,-0.05,0.02,0.12,0.1, 现金流量比率(%),80.65,59.86,27.05,66.25,45.58,19.83,-1.22,17.41,11.39,11.95,--,33.81,--,--,14.6,15.31,3.82,2.64,4.77,-7.44,3.05,18.95,10.55,