金属 库存总量 注销仓单 注销占百分比 铜 467,025 286,550 61.36% 铝 5,348,300 2,162,850 40.44% 铅 233,150 54,750 23.48% 锌 1,017,975 529,525 52.02% 锡 12,120 3,725 30.73% 镍 240,408 85,158 35.42%