金属 库存总量 注销仓单 注销占百分比 铜 160,675 43,275 26.93% 铝 5,100,000 2,841,650 55.72% 铅 192,575 11,975 6.22% 锌 677,450 58,750 8.67% 锡 10,895 1,860 17.07% 镍 305,970 108,882 35.59%