金属 库存总量 注销仓单 注销占百分比 铜 233,025 120,850 51.86% 铝 1,324,550 182,575 13.78% 锌 246,150 133,450 54.21% 镍 388,440 144,906 37.30% 锡 1,975 255 12.91% 铅 148,700 61,625 41.44% 铝合金 11,920 0 0.0%