金属 库存总量 注销仓单 注销占百分比 铜 577,450 303,975 52.64% 铝 5,443,050 2,054,600 37.75% 铅 189,000 95,025 50.28% 锌 1,034,700 603,075 58.29% 锡 14,055 4,365 31.06% 镍 205,758 37,476 18.21%