金属 库存总量 注销仓单 注销占百分比 铜 250,550 107,150 42.77% 铝 1,420,150 358,075 25.21% 锌 299,875 219,975 73.36% 镍 374,634 121,902 32.54% 锡 1,750 200 11.43% 铅 170,575 69,525 40.76% 铝合金 12,340 0 0.00%