金属 库存总量 注销仓单 注销占百分比 铜 152,600 36,925 24.20% 铝 4,913,225 2,878,550 58.59% 铅 214,525 10,025 4.67% 锌 653,900 70,775 10.82% 锡 11,775 1,730 14.69% 镍 312,156 102,756 32.92%