金属 库存总量 注销仓单 注销占百分比 铜 159,075 30,575 19.22% 铝 5,024,225 2,953,100 58.78% 铅 213,600 11,600 5.43% 锌 662,525 58,575 8.84% 锡 11,710 2,180 18.62% 镍 306,828 108,786 35.46%