金属 库存总量 注销仓单 注销占百分比 铜 160,000 42,700 26.69% 铝 5,092,050 2,838,700 55.75% 铅 192,575 11,975 6.22% 锌 674,375 55,675 8.26% 锡 10,860 1,840 16.94% 镍 305,352 111,666 36.57%