金属 库存总量 注销仓单 注销占百分比 铜 161,500 24,725 15.31% 铝 4,377,575 2,383,475 54.45% 铅 217,125 9,750 4.49% 锌 678,225 101,675 14.99% 锡 11,645 2,890 24.82% 镍 393,324 90,642 23.05%