金属 库存总量 注销仓单 注销占百分比 铜 314,775 100,875 32.05% 铝 1,391,525 323,475 23.25% 锌 284,025 213,675 75.23% 镍 372,642 119,184 31.98% 锡 1,655 230 13,90% 铅 161,075 61,475 38.17% 铝合金 12,340 0 0.00%