金属 库存总量 注销仓单 注销占百分比 铜 366,425 242,250 66.11% 铝 5,458,075 2,345,275 42.97% 铅 214,450 32,150 14.99% 锌 933,475 432,725 46.36% 锡 9,685 3,155 32.58% 镍 261,636 98,298 37.57%