金属 库存总量 注销仓单 注销占百分比 铜 146,750 32,400 22.08% 铝 4,968,700 2,878,000 57.92% 铅 215,550 9,925 4.60% 锌 655,750 64,375 9.82% 锡 11,780 2,240 19.02% 镍 315,798 99,900 31.63%