金属 库存总量 注销仓单 注销占百分比 铜 298,425 71,150 23.84% 铝 1,273,575 268,300 21.07% 锌 257,750 128,475 49.84% 镍 384,942 131,610 34,19% 锡 2,070 260 12.56% 铅 157,875 56,850 36.01% 铝合金 11,920 0 0.0%