金属 库存总量 注销仓单 注销占百分比 铜 195,150 35,450 18.17% 铝 1,094,525 226,900 20.73% 锌 201,125 36,775 18.28% 镍 376,938 126,294 33,51% 锡 2,325 315 13.35% 铅 145,300 49,275 33.91% 铝合金 13,000 0 0.0%