金属 库存总量 注销仓单 注销占百分比 铜 367,450 243,275 66.21% 铝 5,464,700 2,351,900 43.04% 铅 214,950 32,650 15.19% 锌 888,600 443,900 49.95% 锡 9,995 3,510 35.12% 镍 261,300 96,810 37.05%