报告日期,2022-03-31,2021-12-31,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 应收账款周转率(次),4.09,26.76,13.41,15.85,5.25,24.72,17.4,12.54,4.81,21.45,13.33,10.54,3.94,19.95,16.86,10.5,4.82,27.31,18.06,12.02,6.28,20.03,--,--,3.83,20.8,8.95,22.66,18.17,11.7, 应收账款周转天数(天),21.98,13.45,20.13,11.36,17.14,14.56,15.52,14.36,18.72,16.78,20.26,17.07,22.87,18.04,16.01,17.14,18.69,13.18,14.95,14.98,14.32,17.97,--,--,23.5,17.31,20.1,15.89,19.81,30.76, 存货周转率(次),1.96,10.29,9.35,5.42,2.72,11.85,9.68,5.91,2.29,10.2,8.31,4.45,2.26,8.75,5.82,4.88,2.15,9.77,9.41,6.88,3.2,10.27,--,--,2.06,13.3,6.33,18.14,13.19,8.26, 固定资产周转率(次),--,3.86,--,1.74,--,3.7,--,1.89,--,4.27,--,2.17,--,3.78,--,1.95,--,3.47,--,1.67,0.83,3.18,--,--,0.94,4.26,--,--,--,1.2, 总资产周转率(次),0.22,0.83,0.63,0.38,0.18,0.72,0.55,0.37,0.18,0.95,0.74,0.51,0.26,1.01,0.77,0.54,0.26,1.28,0.98,0.66,0.42,1.3,--,--,0.27,1.48,0.8,1.75,--,1.2, 存货周转天数(天),45.97,35,28.87,33.2,33.04,30.39,27.88,30.46,39.32,35.31,32.5,40.45,39.76,41.13,46.39,36.88,41.81,36.86,28.68,26.16,28.1,35.05,--,--,43.6,27.07,28.44,19.84,27.29,43.6, 总资产周转天数(天),413.6,433.42,426.74,476.32,500.28,503,492.61,482.7,501.95,377.12,362.81,352.8,351.29,357.32,352.62,335.13,344.96,280.96,275.85,274.47,215.26,277.24,--,--,332.84,242.52,224.58,205.25,--,299.73, 流动资产周转率(次),0.48,1.81,1.42,0.8,0.37,1.37,1.02,0.69,0.32,1.58,1.23,0.83,0.39,1.53,1.17,0.81,0.39,2.21,1.71,1.16,0.95,3.3,--,--,0.68,3.91,1.99,4.19,4.44,362.03, 流动资产周转天数(天),188.6,198.91,189.71,224.33,243.11,263.35,265.8,262.74,284.09,227.79,219.83,217.29,229.71,234.89,231.22,221.76,230.18,162.59,158.01,155.24,95.13,109.08,--,--,132.51,92.12,90.32,85.87,81.16,0.99, 经营现金净流量对销售收入比率(%),-0.18,0.16,0.09,0.12,-0.02,0.18,0.22,0.23,0.22,0.03,0.08,0.05,-0.11,0.1,0.13,0.14,0.14,-0.02,-0.04,0.02,0.09,0.07,0.06,0.01,-0.03,0.01,-0.02,0.04,0.07,0.17, 资产的经营现金流量回报率(%),-0.04,0.11,0.05,0.04,-0,0.12,0.12,0.09,0.04,0.03,0.06,0.02,-0.03,0.09,0.1,0.07,0.04,-0.02,-0.03,0.01,0.04,0.09,--,--,-0.01,0.01,-0.02,0.06,0.12,0.2, 经营现金净流量与净利润的比率(%),-0.65,0.76,0.39,0.51,-0.14,1.86,2.46,3.11,4.18,0.36,0.85,0.45,-1.18,0.96,1.23,1.11,0.91,-0.13,-0.31,0.19,0.68,0.66,0.61,0.07,-0.22,0.06,-0.22,0.34,0.84,3.58, 经营现金净流量对负债比率(%),-0.12,0.35,0.17,0.17,-0.02,0.64,0.81,0.85,0.36,0.32,0.66,0.27,-0.36,1.36,1.34,0.99,0.46,-0.25,-0.41,0.14,0.29,0.64,--,--,-0.08,0.06,-0.16,0.56,0.43,0.6, 现金流量比率(%),-20.55,47.51,27.92,33.01,-3.61,104.25,131.97,120.66,49.73,47.53,100.7,29.78,-37.14,143.2,141.67,104.55,49,-26.63,-43.73,14.41,30.22,67.66,--,--,-8.21,6.41,-15.92,55.56,43.07,60.49,