金属 库存总量 注销仓单 注销占百分比 铜 442,125 276,525 62.55% 铝 5,352,175 2,099,800 39.23% 铅 234,125 51,975 22.20% 锌 982,475 555,725 56.56% 锡 11,385 4,480 39.35% 镍 248,550 91,368 36.76%