金属 库存总量 注销仓单 注销占百分比 铜 345,475 26,850 7,77% 铝 3,436,975 1,431,450 41.65% 锌 434,800 55,000 12.65% 镍 460,098 152,874 33.23% 锡 7,040 1,580 22.44% 铅 218,575 57,050 26.10% 铝合金 13,040 40 0.31%