金属 库存总量 注销仓单 注销占百分比 铜 393,000 262,125 66.70% 铝 5,402,005 2,316,250 42.88% 铅 222,150 39,850 17.94% 锌 918,475 496,475 54.05% 锡 10,370 3,200 30.86% 镍 255,054 108,054 42.37%