金属 库存总量 注销仓单 注销占百分比 铜 267,775 75,725 28.28% 铝 3,048,100 1,019,250 33.44% 锌 571,450 33,175 5.81% 镍 426,030 192,000 45.07% 锡 4,990 755 15.13% 铅 147,550 41,125 27.87% 铝合金 12,280 80 0.65%