金属 库存总量 注销仓单 注销占百分比 铜 365,700 241,525 66.04% 铝 5,451,800 2,364,450 43.37% 铅 213,950 31,650 14.79% 锌 931,175 430,375 46.22% 锡 9,660 3,175 32.87% 镍 261,468 97,728 37.38%