金属 库存总量 注销仓单 注销占比 铜 321,450 42,325 13.17% 铝 1,306,150 247,500 18.95% 锌 206,125 30,075 14.59% 镍 324,894 129,750 39.94% 锡 1,660 245 14.76% 铅 130,650 53,450 40.91% 铝合金 12,760 320 2.51%