金属 库存总量 注销仓单 注销占百分比 铜 157,825 26,325 16.68% 铝 4,517,475 2,690,525 59.56% 铅 225,050 14,650 6.51% 锌 723,150 139,275 19.26% 锡 9,180 470 5.12% 镍 375,492 89,022 23.71%