金属 库存总量 注销仓单 注销占百分比 铜 588,450 313,825 53.33% 铝 5,452,125 2,073,800 38.04% 铅 195,025 100,725 51.65% 锌 1,042,525 604,775 58.01% 锡 14,055 4,240 30.17% 镍 205,812 34,140 16.59%