金属 库存总量 注销仓单 注销占百分比 铜 158,575 38,300 24.15% 铝 4,967,425 2,915,100 58.68% 铅 213,550 11,375 5.33% 锌 657,375 60,375 9.18% 锡 11,775 2,080 17.66% 镍 310,782 102,978 33.14%