金属 库存总量 注销仓单 注销占百分比 铜 260,100 122,675 47.16% 铝 5,359,250 2,767,525 51.64% 铅 201,650 30,275 15.01% 锌 834,700 159,725 19.14% 锡 9,645 2,300 23.85% 镍 282,936 132,942 46.99%