金属 库存总量 注销仓单 注销占百分比 铜 167,775 70,125 41.80% 铝 5,160,575 2,842,450 55.08% 铅 190,375 17,500 9.14% 锌 701,825 81,475 11.61% 锡 10,950 3,690 33.70% 镍 283,992 116,070 40.87%