金属 库存总量 注销仓单 注销占百分比 铜 334,550 190,900 57.06% 铝 5,476,175 2,521,925 46.05% 铅 209,250 43,625 20.85% 锌 879,750 302,350 34.37% 锡 9,470 3,370 35.59% 镍 261,264 105,900 40.53%