金属 库存总量 注销仓单 注销占比 铜 322,475 40,425 12.54% 铝 1,288,675 239,050 18.55% 锌 211,400 35,750 16.91% 镍 322,884 125,556 38.89% 锡 1,765 230 13.03% 铅 130,250 53,300 40.92% 铝合金 12,600 160 1.27%