金属 库存总量 注销仓单 注销占百分比 铜 214,775 103,425 48.16% 铝 1,324,550 172,300 13.01% 锌 243,250 130,550 53.67% 镍 383,370 143,802 37,51% 锡 1,910 150 7.85% 铅 164,550 61,450 37.33% 铝合金 11,920 0 0.0%