金属 库存总量 注销仓单 注销占百分比 铜 297,200 29,650 9.98% 铝 3,939,425 2,192,650 55.66% 铅 214,700 13,625 6.35% 锌 564,175 166,500 29.51% 锡 10,875 970 8.92% 镍 430,944 106,632 24.74%