金属 库存总量 注销仓单 注销占百分比 铜 154,700 28,850 18.65% 铝 5,071,650 2,996,000 59.07% 铅 193,700 11,425 5.90% 锌 667,950 55,575 8.32% 锡 11,485 2,490 21.68% 镍 305,256 112,434 36.83%