金属 库存总量 注销仓单 注销占百分比 铜 299,425 109,525 36.58% 铝 1,336,700 290,900 21.76% 锌 264,150 108,500 41.08% 镍 373,086 126,150 33.81% 锡 1,910 560 29,32% 铅 151,425 64,800 42.79% 铝合金 12,420 300 2.42%