金属 库存总量 注销仓单 注销占百分比 铜 323,050 47,925 14.84% 铝 3,911,775 2,165,000 55.35% 铅 213,950 18,525 8.66% 锌 547,075 149,250 27.28% 锡 10,630 880 8.28% 镍 431,952 123,564 28.61%