金属 库存总量 注销仓单 注销占百分比 铜 300,625 97,500 32.43% 铝 1,306,650 197,850 15.14% 锌 267,525 118,875 44.44% 镍 383,502 130,212 33,95% 锡 1,930 170 8.81% 铅 162,700 55,625 34.19% 铝合金 11,920 0 0.0%