金属 库存总量 注销仓单 注销占比 铜 369,525 68,100 18.43% 铝 1,249,575 277,575 22.21% 锌 201,175 35,125 17.46% 镍 315,186 118,716 37.67% 锡 2,005 30 1.50% 铅 129,175 50,500 39.09% 铝合金 12,060 240 1.99%