金属 库存总量 注销仓单 注销占百分比 铜 251,550 96,375 38.31% 铝 1,161,475 247,700 21.33% 锌 229,250 64,900 28.31% 镍 382,446 128,640 33,64% 锡 2,145 150 6.99% 铅 145,975 44,775 30.67% 铝合金 12,120 0 0.0%