金属 库存总量 注销仓单 注销占百分比 铜 255,700 133,675 52.28% 铝 1,308,725 205,975 15.74% 锌 247,150 121,625 49.21% 镍 385,536 135,720 35.20% 锡 1,905 340 17.85% 铅 147,450 60,250 40.86% 铝合金 12,020 100 0.83%