金属 库存总量 注销仓单 注销占百分比 铜 213,025 98,825 46.39% 铝 5,321,900 2,907,775 54.64% 铅 193,475 20,625 10.66% 锌 762,550 128,375 16.83% 锡 9,705 3,780 38.95% 镍 277,968 118,458 42.62%