金属 库存总量 注销仓单 注销占百分比 铜 584,075 310,650 53.19% 铝 5,438,675 2,060,400 37.88% 铅 190,925 97,925 51.29% 锌 1,037,275 605,650 58.39% 锡 14,055 4,315 30.70% 镍 206,118 36,402 17.66%