金属 库存总量 注销仓单 注销占百分比 铜 613,550 314,725 51.30% 铝 5,473,925 2,143,750 39.16% 铅 200,225 107,650 53.76% 锌 1,053,575 623,550 59.18% 锡 14,000 4,945 35.32% 镍 200,790 31,374 15.63%