金属 库存总量 注销仓单 注销占百分比 铜 166,450 15,250 9.16% 铝 4,301,700 2,285,725 53.14% 铅 220,200 9,425 4.28% 锌 687,550 88,850 12.92% 锡 11,245 1,225 10.89% 镍 406,524 91,884 22.60%