报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 应收账款周转率(次),3.45,2.65,1.25,2.41,1.48,0.99,0.52,3.75,2.64,1.83,0.91,3.79,2.73,1.7,0.86,3.58,2.5,1.67,0.84,3.77,2.37,1.72,0.96,4.23,2.8,2.12,1.21,4.19,--,1.84,--,3.94,4.76,6.91, 应收账款周转天数(天),78.24,67.83,72,149.54,182.43,181.2,174.38,96.12,102.15,98.13,99.26,95,99.04,105.62,104.79,100.51,108.1,107.48,107.66,95.37,113.88,104.86,93.5,85.08,96.29,84.97,74.18,86.02,--,98,--,91.43,75.69,52.09, 存货周转率(次),1.26,0.9,0.44,1.21,0.77,0.58,0.3,2.56,1.82,1.12,0.72,2.75,1.98,1.27,0.75,2.85,2.15,1.51,0.88,2.92,2.19,1.55,0.75,2.65,2.38,1.54,0.78,2.52,--,1.23,--,2.45,2.01,1.84, 固定资产周转率(次),--,0.5,--,0.87,--,0.39,--,2.53,--,1.38,--,2.77,--,1.25,--,2.48,--,1.11,--,2.35,--,1.17,--,2.25,--,1.13,--,2.08,--,0.97,--,1.82,1.9,0.77, 总资产周转率(次),0.14,0.1,0.05,0.17,0.1,0.08,0.05,0.4,0.29,0.18,0.11,0.41,0.3,0.2,0.11,0.45,0.32,0.22,0.12,0.52,0.38,0.27,0.14,0.6,0.46,0.3,0.2,0.67,--,0.33,--,0.68,0.7,0.77, 存货周转天数(天),213.91,199.53,205.25,297.62,349.83,309.17,303.44,140.8,148.45,160.07,125.14,130.99,136.38,141.94,119.68,126.14,125.49,119.28,101.82,123.19,123.45,115.81,119.59,135.63,113.28,117.14,115.09,142.79,--,145.77,--,147.19,179.4,195.17, 总资产周转天数(天),1896.07,1783.94,1754.39,2167.37,2760.74,2340.7,1829.27,906.57,928.79,991.74,841.91,868.31,903.61,915.1,807.9,805.55,841.38,824.55,728.16,698.22,705.88,663.47,639.66,596.13,588.75,595.24,455.7,540.3,--,551.81,--,530.82,513.55,466.81, 流动资产周转率(次),0.28,0.19,0.09,0.27,0.14,0.11,0.07,0.55,0.4,0.25,0.14,0.55,0.4,0.26,0.15,0.6,0.43,0.3,0.17,0.73,0.55,0.39,0.2,0.95,0.71,0.48,0.35,1.15,--,0.58,--,1.28,1.47,147.27, 流动资产周转天数(天),974.38,963.6,976.14,1355.93,1888.11,1623.08,1272.98,653.12,668.48,716.85,621.98,652.17,678.22,689.13,617.28,602.01,621.83,602.21,537.63,495.12,494.69,460.83,443.79,380.91,379.43,376.25,258.92,313.92,--,310.99,--,280.26,245.2,2.44, 经营现金净流量对销售收入比率(%),0.22,0.2,0.04,0.3,0.74,0.65,0.39,0.32,0.28,0.29,0.11,0.41,0.4,0.39,0.18,0.46,0.46,0.47,0.21,0.46,0.38,0.43,0.39,0.45,0.37,0.38,0.44,0.47,0.45,0.45,0.49,0.39,0.26,0.3, 资产的经营现金流量回报率(%),0.03,0.02,0,0.05,0.07,0.05,0.02,0.12,0.08,0.05,0.01,0.17,0.12,0.08,0.02,0.19,0.14,0.1,0.02,0.22,0.14,0.11,0.05,0.23,0.14,0.1,0.09,0.3,--,0.15,--,0.23,0.15,0.23, 经营现金净流量与净利润的比率(%),3.29,2.47,1.59,--,--,--,1.35,0.82,0.71,0.76,0.27,1.06,1.05,1.03,0.41,1.13,1.22,1.22,0.47,1.11,0.94,1.07,0.9,1.1,0.92,1,1.02,1.28,1.19,1.26,1.2,1.07,0.8,1.11, 经营现金净流量对负债比率(%),0.19,0.1,0.01,0.24,1.41,0.77,0.4,1.85,1.34,0.5,0.18,2.48,1.73,1.04,0.26,2.46,1.55,1.31,0.3,2.61,1.47,1.05,0.65,2.42,0.91,0.59,0.34,1.15,--,0.47,--,0.64,0.35,0.52, 现金流量比率(%),44.56,19.88,1.89,37.28,275.82,124.69,81.19,294.47,239.88,65.71,29.26,416.96,298.93,172.55,40.99,398.32,230.79,223.86,48.61,430.97,214.13,147.04,105.43,370.3,114.73,74.65,42.2,142.06,--,59.76,--,84.81,73.12,64.33,