金属 库存总量 注销仓单 注销占百分比 铜 194,600 34,925 17.95% 铝 1,097,425 226,000 20.59% 锌 199,425 35,075 17.59% 镍 376,152 128,784 34,24% 锡 2,320 310 13.36% 铅 145,750 51,100 35.06% 铝合金 13,000 0 0.0%