金属 库存总量 注销仓单 注销占百分比 铜 267,650 102,375 38.25% 铝 1,177,050 243,325 20.67% 锌 244,025 82,425 33.78% 镍 382,355 138,990 36,35% 锡 2,070 170 8.21% 铅 147,300 45,700 31.03% 铝合金 11,820 0 0.0%