金属 库存总量 注销仓单 注销占百分比 铜 588,000 284,000 48.30% 铝 5,400,0350 2,007,275 37.17% 铅 185,675 80,725 43.48% 锌 1,005,325 606,125 60.29% 锡 15,440 4,410 28.56% 镍 212,070 38,496 18.15%