金属 库存总量 注销仓单 注销占百分比 铜 193,975 41,175 21.23% 铝 1,097,575 229,200 20.88% 锌 202,575 38,225 18.87% 镍 377,844 126,822 33,56% 锡 2,340 305 13.03% 铅 145,100 49,550 34.15% 铝合金 13,000 0 0.0%