金属 库存总量 注销仓单 注销占百分比 铜 261,125 68,825 26.36% 铝 3,004,000 1,363,475 45.39% 锌 566,525 38,675 6.83% 镍 423,522 186,030 43.92% 锡 5,645 900 15.94% 铅 141,725 37,175 26.23% 铝合金 12,240 40 0.33%