金属 库存总量 注销仓单 注销占百分比 铜 242,300 101,600 41.93% 铝 5,315,575 2,947,750 55.45% 铅 200,400 28,575 14.26% 锌 801,500 162,500 20.28% 锡 9,515 2,325 24.44% 镍 277,434 129,000 46.50%