金属 库存总量 注销仓单 注销占百分比 铜 295,100 34,300 11.62% 铝 3,976,725 2,255,550 56.72% 铅 213,425 12,025 5.63% 锌 591,500 194,200 32.83% 锡 11,460 2,105 18.37% 镍 425,838 103,512 24.31% 铝合金 26,500 0 0