金属 库存总量 注销仓单 注销占百分比 铜 157,625 26,125 16.57% 铝 4,497,350 2,672,400 59.42% 铅 224,700 14,300 6.36% 锌 719,925 145,075 20.15% 锡 9,155 565 6.17% 镍 377,136 88,200 23.39%