金属 库存总量 注销仓单 注销占百分比 铜 324,900 48,500 14.93% 铝 1,323,050 228,200 17.25% 锌 131,775 47,875 36.33% 镍 334,116 103,608 31.01% 锡 1,770 330 18.64% 铅 134,625 34,375 25.53% 铝合金 12,800 0 0.00%