金属 库存总量 注销仓单 注销占百分比 铜 202,150 36,700 18.15% 铝 2,458,850 1,078,275 43.85% 锌 383,200 33,475 8.74% 镍 389,136 115,536 29.69% 锡 6,305 1,475 23.39% 铅 185,750 73,450 39.54% 铝合金 13,460 1,860 13.82%