报告日期,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),0.71,0.48,1.14,0.75,0.43,0.23,1.27,0.79,0.6,--,1.47,0.94,0.61,0.31,1.05,0.82,0.62,0.22,1.21,0.7,0.46,0.24,1.99,1.55,1.12,0.54,2.55,--,--,--,2.6,3.28,2.95, 应收账款周转天数(天),253.38,188.6,315.51,359.52,415.13,395.08,283.87,342.34,300.25,--,245.32,286.53,294.94,292.4,341.85,330.88,288.32,417.63,297.57,385.77,392.67,377.99,181.11,174.46,160.64,166.3,140.93,--,--,--,138.32,109.63,122.21, 存货周转率(次),1.34,0.85,1.58,1.11,0.61,0.3,1.69,1.07,0.89,0.64,2.04,1.28,0.84,0.42,1.73,1.39,1.24,0.36,1.8,0.77,0.51,0.28,1.7,0.98,0.69,0.3,1.9,--,--,--,2.97,2.96,2.58, 固定资产周转率(次),2.01,--,2.59,--,1.02,--,2.79,--,1.29,--,2.92,--,1.24,--,1.93,--,0.87,--,2.59,--,1.5,--,4.79,--,2.18,0.96,4.18,--,--,--,3.76,5.47,0.66, 总资产周转率(次),0.21,0.13,0.29,0.19,0.11,0.06,0.31,0.19,0.15,0.1,0.34,0.21,0.14,0.06,0.28,0.28,0.21,0.07,0.39,0.19,0.13,0.07,0.5,0.33,0.23,0.13,0.62,--,--,--,0.69,0.77,0.66, 存货周转天数(天),134.28,105.45,228.14,242.87,296.39,302.93,213.36,252.71,203.39,141.09,176.34,211.33,213.47,212.67,207.84,193.62,145.49,250.7,200.01,350.65,353.36,317.24,212.1,275.34,262.7,300.8,189.18,--,--,--,121.13,121.6,139.36, 总资产周转天数(天),872.52,706.44,1222,1394.63,1665.12,1595.74,1162.79,1402.6,1209.68,924.02,1057.27,1269.99,1250,1426.31,1307.66,969.48,857.14,1237.96,917.43,1398.24,1357.47,1291.25,720.72,818.68,771.87,696.59,581.3,--,--,--,518.28,469.42,543.64, 流动资产周转率(次),0.34,0.21,0.59,0.44,0.25,0.13,0.7,0.44,0.33,0.22,0.76,0.47,0.32,0.13,0.55,0.44,0.33,0.11,0.55,0.26,0.17,0.09,0.63,0.41,0.29,0.17,0.82,--,--,--,0.99,1.05,83.05, 流动资产周转天数(天),523.87,430.62,610.79,618.7,728.74,691.24,515.46,617.85,540.05,412.47,474.12,572.88,558.66,687.55,652.88,612.38,539.57,786.03,653.95,1025.06,1046.51,1018.1,568.72,654.55,627.18,535.4,437.53,--,--,--,362.79,344.04,4.33, 经营现金净流量对销售收入比率(%),-0.38,-0.08,-0.18,-0.18,-0.26,-0.21,0.13,0.04,0.07,0.12,0.11,0.02,-0.15,0.03,0.05,-0.02,0.11,-0.07,-0.21,-0.55,-0.39,-0.86,-0.16,-0.33,-0.35,-0.91,0.13,-0.12,-0.15,-1.07,0.06,0.14,0.12, 资产的经营现金流量回报率(%),-0.07,-0.01,-0.05,-0.03,-0.03,-0.01,0.04,0.01,0.01,0.01,0.04,0,-0.02,0,0.01,-0.01,0.02,-0.01,-0.07,-0.1,-0.05,-0.06,-0.07,-0.1,-0.07,-0.12,0.07,--,--,--,0.04,0.1,0.08, 经营现金净流量与净利润的比率(%),-3.79,-0.77,--,-3.83,-7.43,-2.56,0.9,0.37,0.68,0.88,0.85,0.27,-1.8,0.35,0.7,-0.67,3.41,-1.4,-2.81,-11.23,-8.65,-21.37,-1.35,-3.06,-2.33,-6.13,0.74,-0.85,-0.93,--,0.31,0.76,0.62, 经营现金净流量对负债比率(%),-0.2,-0.02,-0.11,-0.11,-0.09,-0.04,0.14,0.03,0.05,0.05,0.15,0.02,-0.09,0.01,0.02,-0.02,0.07,-0.01,-0.2,-0.3,-0.2,-0.26,-0.27,-0.4,-0.29,-0.32,0.16,--,--,--,0.1,0.23,0.17, 现金流量比率(%),-20.88,-2.61,-11.68,-11.62,-9.82,-4.55,15.26,2.84,4.71,5.18,15.22,1.66,-9.09,0.63,2.23,-2.05,7.09,-1.53,-21.43,-31.22,-21.14,-28.4,-28.38,-42.52,-30.86,-33.91,16.71,--,--,--,11.49,25.68,18.99,