金属 库存总量 注销仓单 注销占百分比 铜 288,925 130,800 45.27% 铝 1,302,825 269,50 20.71% 锌 261,100 105,700 40.48% 镍 374,544 123,402 32.95% 锡 1,700 135 7.94% 铅 152,650 64,650 42.35% 铝合金 12,260 240 1.96%