金属 库存总量 注销仓单 注销占百分比 铜 157,050 27,800 17.73% 铝 5,058,325 2,983,375 58.89% 铅 213,600 11,425 5.90% 锌 665,600 55,425 8.31% 锡 11,715 2,500 21.63% 镍 304,938 111,966 36.66%