金属 库存总量 注销仓单 注销占百分比 铜 220,875 107,525 48.68% 铝 1,324,625 175,425 13.24% 锌 243,725 131,025 53.76% 镍 384,246 143,400 37,03% 锡 1,910 150 7.85% 铅 148,300 66,875 45.09% 铝合金 11,920 0 0.0%