金属 库存总量 注销仓单 注销占百分比 铜 337,000 124,950 37.08% 铝 3,783,150 1,747,225 46.18% 锌 433,350 87,150 20.11% 镍 444,936 122,748 27.59% 锡 8,385 1,385 16.52% 铅 162,775 33,700 20.7% 铝合金 21,340 5,960 27.93%