金属 库存总量 注销仓单 注销占百分比 铜 166,075 16,950 10.21% 铝 4,302,525 2,272,550 52.82% 铅 220,350 9,575 4.34% 锌 681,850 90,725 13.31% 锡 11,145 1,225 10.99% 镍 407,568 95,868 23.52%