金属 库存总量 注销仓单 注销占百分比 铜 187,475 24,100 12.86% 铝 4,166,825 2,314,625 55.55% 铅 220,775 10,325 4.68% 锌 673,175 172,975 25.70% 锡 12,135 2,335 19.24% 镍 415,164 88,410 21.30%