金属 库存总量 注销仓单 注销占百分比 铜 167,925 69,975 41.67% 铝 5,170,375 2,851,250 55.15% 铅 190,375 17,600 9.24% 锌 700,375 85,100 12.15% 锡 10,885 3,650 33.53% 镍 284,316 117,738 41.41%