金属 库存总量 注销仓单 注销占百分比 铜 324,100 60,125 18,55% 铝 3,582,525 1,601,325 44.7% 锌 464,400 77,650 16.72% 镍 456,438 145,806 31.94% 锡 7,635 1,535 20.1% 铅 175,025 16,325 9.33% 铝合金 14,180 1,180 8.32%