金属 库存总量 注销仓单 注销占百分比 铜 476,400 287,825 60.42% 铝 5,368,950 2,154,925 40.14% 铅 233,200 54,800 23.50% 锌 1,027,375 499,250 48.59% 锡 12,830 4,395 34.26% 镍 238,134 69,468 29.17%