金属 库存总量 注销仓单 注销占百分比 铜 262,075 100,050 38.18% 铝 1,419,325 386,850 27.26% 锌 306,575 161,600 52.71% 镍 377,472 116,802 30.94% 锡 1,720 250 14,53% 铅 174,050 62,900 36.14% 铝合金 12,560 220 1.75%