金属 库存总量 注销仓单 注销占百分比 铜 288,450 26,275 9.11% 铝 3,993,400 2,262,225 56.65% 铅 214,250 9,275 4.33% 锌 602,675 199,375 33.08% 锡 11,865 2,615 22.04% 镍 426,018 409,314 25.66%